Home / 12,418,293,142.70-18,627,439,714.05-9,969,413,014.70

Finding the Fourth Proportional to 12,418,293,142.70, 18,627,439,714.05 and 9,969,413,014.70

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Solution

The fourth proportional to 12,418,293,142.70, 18,627,439,714.05 and 9,969,413,014.70 is: 14,954,119,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,293,142.70 : 18,627,439,714.05 = 9,969,413,014.70 : x
  2. Step 2: Convert to fraction form
    12,418,293,142.70/18,627,439,714.05 = 9,969,413,014.70/x
  3. Step 3: Cross multiply
    12,418,293,142.70x = 18,627,439,714.05 × 9,969,413,014.70
  4. Step 4: Simplify right side
    12,418,293,142.70x = 185,704,639,915,789,713,408
  5. Step 5: Solve for x
    x = 185,704,639,915,789,713,408/12,418,293,142.70
  6. Step 6: Final answer
    x = 14,954,119,522.05

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Half scale
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Double scale
Find fourth proportional to 12,418,293,143.70, 18,627,439,715.55 and 9,969,413,015.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.