Home / 478,096,545.40-717,144,818.10-437,281,876.60

Finding the Fourth Proportional to 478,096,545.40, 717,144,818.10 and 437,281,876.60

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Solution

The fourth proportional to 478,096,545.40, 717,144,818.10 and 437,281,876.60 is: 655,922,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,096,545.40 : 717,144,818.10 = 437,281,876.60 : x
  2. Step 2: Convert to fraction form
    478,096,545.40/717,144,818.10 = 437,281,876.60/x
  3. Step 3: Cross multiply
    478,096,545.40x = 717,144,818.10 × 437,281,876.60
  4. Step 4: Simplify right side
    478,096,545.40x = 313,594,431,852,733,696
  5. Step 5: Solve for x
    x = 313,594,431,852,733,696/478,096,545.40
  6. Step 6: Final answer
    x = 655,922,814.90

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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.