Home / 549,366,981.40-824,050,472.10-507,276,854.20

Finding the Fourth Proportional to 549,366,981.40, 824,050,472.10 and 507,276,854.20

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Solution

The fourth proportional to 549,366,981.40, 824,050,472.10 and 507,276,854.20 is: 760,915,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,366,981.40 : 824,050,472.10 = 507,276,854.20 : x
  2. Step 2: Convert to fraction form
    549,366,981.40/824,050,472.10 = 507,276,854.20/x
  3. Step 3: Cross multiply
    549,366,981.40x = 824,050,472.10 × 507,276,854.20
  4. Step 4: Simplify right side
    549,366,981.40x = 418,021,731,188,912,896
  5. Step 5: Solve for x
    x = 418,021,731,188,912,896/549,366,981.40
  6. Step 6: Final answer
    x = 760,915,281.30

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Double scale
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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.