Home / 801,332,747.68-1,106,876,522.64-662,663,650.72

Finding the Fourth Proportional to 801,332,747.68, 1,106,876,522.64 and 662,663,650.72

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Solution

The fourth proportional to 801,332,747.68, 1,106,876,522.64 and 662,663,650.72 is: 915,333,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,332,747.68 : 1,106,876,522.64 = 662,663,650.72 : x
  2. Step 2: Convert to fraction form
    801,332,747.68/1,106,876,522.64 = 662,663,650.72/x
  3. Step 3: Cross multiply
    801,332,747.68x = 1,106,876,522.64 × 662,663,650.72
  4. Step 4: Simplify right side
    801,332,747.68x = 733,486,837,388,881,280
  5. Step 5: Solve for x
    x = 733,486,837,388,881,280/801,332,747.68
  6. Step 6: Final answer
    x = 915,333,660.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.