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Finding the Fourth Proportional to 577,824,505.29, 866,554,689.87 and 189,556,859.97

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Solution

The fourth proportional to 577,824,505.29, 866,554,689.87 and 189,556,859.97 is: 284,275,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,824,505.29 : 866,554,689.87 = 189,556,859.97 : x
  2. Step 2: Convert to fraction form
    577,824,505.29/866,554,689.87 = 189,556,859.97/x
  3. Step 3: Cross multiply
    577,824,505.29x = 866,554,689.87 × 189,556,859.97
  4. Step 4: Simplify right side
    577,824,505.29x = 164,261,386,004,034,368
  5. Step 5: Solve for x
    x = 164,261,386,004,034,368/577,824,505.29
  6. Step 6: Final answer
    x = 284,275,562.04

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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.