Home / 12,418,293,125.70-18,627,439,688.55-9,969,412,997.70

Finding the Fourth Proportional to 12,418,293,125.70, 18,627,439,688.55 and 9,969,412,997.70

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Solution

The fourth proportional to 12,418,293,125.70, 18,627,439,688.55 and 9,969,412,997.70 is: 14,954,119,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,293,125.70 : 18,627,439,688.55 = 9,969,412,997.70 : x
  2. Step 2: Convert to fraction form
    12,418,293,125.70/18,627,439,688.55 = 9,969,412,997.70/x
  3. Step 3: Cross multiply
    12,418,293,125.70x = 18,627,439,688.55 × 9,969,412,997.70
  4. Step 4: Simplify right side
    12,418,293,125.70x = 185,704,639,344,903,225,344
  5. Step 5: Solve for x
    x = 185,704,639,344,903,225,344/12,418,293,125.70
  6. Step 6: Final answer
    x = 14,954,119,496.55

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Double scale
Find fourth proportional to 12,418,293,126.70, 18,627,439,690.05 and 9,969,412,998.70
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.