Home / 453,775,415.70-680,663,123.55-130,691,946.90

Finding the Fourth Proportional to 453,775,415.70, 680,663,123.55 and 130,691,946.90

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Solution

The fourth proportional to 453,775,415.70, 680,663,123.55 and 130,691,946.90 is: 196,037,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,775,415.70 : 680,663,123.55 = 130,691,946.90 : x
  2. Step 2: Convert to fraction form
    453,775,415.70/680,663,123.55 = 130,691,946.90/x
  3. Step 3: Cross multiply
    453,775,415.70x = 680,663,123.55 × 130,691,946.90
  4. Step 4: Simplify right side
    453,775,415.70x = 88,957,188,799,784,736
  5. Step 5: Solve for x
    x = 88,957,188,799,784,736/453,775,415.70
  6. Step 6: Final answer
    x = 196,037,920.35

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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.