Home / 20,182,285,658.10-30,273,428,487.15-9,698,974,203.90

Finding the Fourth Proportional to 20,182,285,658.10, 30,273,428,487.15 and 9,698,974,203.90

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Solution

The fourth proportional to 20,182,285,658.10, 30,273,428,487.15 and 9,698,974,203.90 is: 14,548,461,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,285,658.10 : 30,273,428,487.15 = 9,698,974,203.90 : x
  2. Step 2: Convert to fraction form
    20,182,285,658.10/30,273,428,487.15 = 9,698,974,203.90/x
  3. Step 3: Cross multiply
    20,182,285,658.10x = 30,273,428,487.15 × 9,698,974,203.90
  4. Step 4: Simplify right side
    20,182,285,658.10x = 293,621,201,960,479,260,672
  5. Step 5: Solve for x
    x = 293,621,201,960,479,260,672/20,182,285,658.10
  6. Step 6: Final answer
    x = 14,548,461,305.85

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Half scale
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Double scale
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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.