Home / 577,289,205.91-865,933,792.13-266,304,811.60

Finding the Fourth Proportional to 577,289,205.91, 865,933,792.13 and 266,304,811.60

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Solution

The fourth proportional to 577,289,205.91, 865,933,792.13 and 266,304,811.60 is: 399,457,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,289,205.91 : 865,933,792.13 = 266,304,811.60 : x
  2. Step 2: Convert to fraction form
    577,289,205.91/865,933,792.13 = 266,304,811.60/x
  3. Step 3: Cross multiply
    577,289,205.91x = 865,933,792.13 × 266,304,811.60
  4. Step 4: Simplify right side
    577,289,205.91x = 230,602,335,371,253,216
  5. Step 5: Solve for x
    x = 230,602,335,371,253,216/577,289,205.91
  6. Step 6: Final answer
    x = 399,457,209.68

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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.