Home / 527,388,871.73-727,761,166.56-292,430,834.01

Finding the Fourth Proportional to 527,388,871.73, 727,761,166.56 and 292,430,834.01

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Solution

The fourth proportional to 527,388,871.73, 727,761,166.56 and 292,430,834.01 is: 403,534,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,388,871.73 : 727,761,166.56 = 292,430,834.01 : x
  2. Step 2: Convert to fraction form
    527,388,871.73/727,761,166.56 = 292,430,834.01/x
  3. Step 3: Cross multiply
    527,388,871.73x = 727,761,166.56 × 292,430,834.01
  4. Step 4: Simplify right side
    527,388,871.73x = 212,819,804,897,231,296
  5. Step 5: Solve for x
    x = 212,819,804,897,231,296/527,388,871.73
  6. Step 6: Final answer
    x = 403,534,879.68

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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.