Home / 453,775,381.20-680,663,071.80-130,691,912.40

Finding the Fourth Proportional to 453,775,381.20, 680,663,071.80 and 130,691,912.40

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Solution

The fourth proportional to 453,775,381.20, 680,663,071.80 and 130,691,912.40 is: 196,037,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,775,381.20 : 680,663,071.80 = 130,691,912.40 : x
  2. Step 2: Convert to fraction form
    453,775,381.20/680,663,071.80 = 130,691,912.40/x
  3. Step 3: Cross multiply
    453,775,381.20x = 680,663,071.80 × 130,691,912.40
  4. Step 4: Simplify right side
    453,775,381.20x = 88,957,158,553,600,512
  5. Step 5: Solve for x
    x = 88,957,158,553,600,512/453,775,381.20
  6. Step 6: Final answer
    x = 196,037,868.60

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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.