Home / 727,752,400.80-1,090,884,583.80-358,719,770.40

Finding the Fourth Proportional to 727,752,400.80, 1,090,884,583.80 and 358,719,770.40

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Solution

The fourth proportional to 727,752,400.80, 1,090,884,583.80 and 358,719,770.40 is: 537,712,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,752,400.80 : 1,090,884,583.80 = 358,719,770.40 : x
  2. Step 2: Convert to fraction form
    727,752,400.80/1,090,884,583.80 = 358,719,770.40/x
  3. Step 3: Cross multiply
    727,752,400.80x = 1,090,884,583.80 × 358,719,770.40
  4. Step 4: Simplify right side
    727,752,400.80x = 391,321,867,433,635,520
  5. Step 5: Solve for x
    x = 391,321,867,433,635,520/727,752,400.80
  6. Step 6: Final answer
    x = 537,712,918.57

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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.