Home / 517,968,000.70-776,952,001.05-514,944,691.90

Finding the Fourth Proportional to 517,968,000.70, 776,952,001.05 and 514,944,691.90

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Solution

The fourth proportional to 517,968,000.70, 776,952,001.05 and 514,944,691.90 is: 772,417,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,968,000.70 : 776,952,001.05 = 514,944,691.90 : x
  2. Step 2: Convert to fraction form
    517,968,000.70/776,952,001.05 = 514,944,691.90/x
  3. Step 3: Cross multiply
    517,968,000.70x = 776,952,001.05 × 514,944,691.90
  4. Step 4: Simplify right side
    517,968,000.70x = 400,087,308,801,780,672
  5. Step 5: Solve for x
    x = 400,087,308,801,780,672/517,968,000.70
  6. Step 6: Final answer
    x = 772,417,037.85

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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.