Home / 658,966,902.92-909,388,215.56-361,606,544.18

Finding the Fourth Proportional to 658,966,902.92, 909,388,215.56 and 361,606,544.18

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Solution

The fourth proportional to 658,966,902.92, 909,388,215.56 and 361,606,544.18 is: 499,024,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,966,902.92 : 909,388,215.56 = 361,606,544.18 : x
  2. Step 2: Convert to fraction form
    658,966,902.92/909,388,215.56 = 361,606,544.18/x
  3. Step 3: Cross multiply
    658,966,902.92x = 909,388,215.56 × 361,606,544.18
  4. Step 4: Simplify right side
    658,966,902.92x = 328,840,729,940,313,536
  5. Step 5: Solve for x
    x = 328,840,729,940,313,536/658,966,902.92
  6. Step 6: Final answer
    x = 499,024,652.81

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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.