Home / 465,710,030.80-698,565,046.20-138,236,086.60

Finding the Fourth Proportional to 465,710,030.80, 698,565,046.20 and 138,236,086.60

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Solution

The fourth proportional to 465,710,030.80, 698,565,046.20 and 138,236,086.60 is: 207,354,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,710,030.80 : 698,565,046.20 = 138,236,086.60 : x
  2. Step 2: Convert to fraction form
    465,710,030.80/698,565,046.20 = 138,236,086.60/x
  3. Step 3: Cross multiply
    465,710,030.80x = 698,565,046.20 × 138,236,086.60
  4. Step 4: Simplify right side
    465,710,030.80x = 96,566,898,222,236,208
  5. Step 5: Solve for x
    x = 96,566,898,222,236,208/465,710,030.80
  6. Step 6: Final answer
    x = 207,354,129.90

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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.