Home / 434,412,932.60-651,635,145.30-127,736,046.20

Finding the Fourth Proportional to 434,412,932.60, 651,635,145.30 and 127,736,046.20

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Solution

The fourth proportional to 434,412,932.60, 651,635,145.30 and 127,736,046.20 is: 191,608,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,412,932.60 : 651,635,145.30 = 127,736,046.20 : x
  2. Step 2: Convert to fraction form
    434,412,932.60/651,635,145.30 = 127,736,046.20/x
  3. Step 3: Cross multiply
    434,412,932.60x = 651,635,145.30 × 127,736,046.20
  4. Step 4: Simplify right side
    434,412,932.60x = 83,237,297,025,584,512
  5. Step 5: Solve for x
    x = 83,237,297,025,584,512/434,412,932.60
  6. Step 6: Final answer
    x = 191,608,699.42

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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.