Home / 527,565,295.80-728,127,277.65-292,691,628.90

Finding the Fourth Proportional to 527,565,295.80, 728,127,277.65 and 292,691,628.90

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Solution

The fourth proportional to 527,565,295.80, 728,127,277.65 and 292,691,628.90 is: 403,962,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,565,295.80 : 728,127,277.65 = 292,691,628.90 : x
  2. Step 2: Convert to fraction form
    527,565,295.80/728,127,277.65 = 292,691,628.90/x
  3. Step 3: Cross multiply
    527,565,295.80x = 728,127,277.65 × 292,691,628.90
  4. Step 4: Simplify right side
    527,565,295.80x = 213,116,758,941,901,024
  5. Step 5: Solve for x
    x = 213,116,758,941,901,024/527,565,295.80
  6. Step 6: Final answer
    x = 403,962,809.23

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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.