Home / 434,412,928.60-651,635,139.30-127,736,042.20

Finding the Fourth Proportional to 434,412,928.60, 651,635,139.30 and 127,736,042.20

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Solution

The fourth proportional to 434,412,928.60, 651,635,139.30 and 127,736,042.20 is: 191,608,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,412,928.60 : 651,635,139.30 = 127,736,042.20 : x
  2. Step 2: Convert to fraction form
    434,412,928.60/651,635,139.30 = 127,736,042.20/x
  3. Step 3: Cross multiply
    434,412,928.60x = 651,635,139.30 × 127,736,042.20
  4. Step 4: Simplify right side
    434,412,928.60x = 83,237,293,652,627,680
  5. Step 5: Solve for x
    x = 83,237,293,652,627,680/434,412,928.60
  6. Step 6: Final answer
    x = 191,608,693.42

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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.