Home / 453,480,211.30-680,286,672.15-146,720,121.70

Finding the Fourth Proportional to 453,480,211.30, 680,286,672.15 and 146,720,121.70

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Solution

The fourth proportional to 453,480,211.30, 680,286,672.15 and 146,720,121.70 is: 220,101,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,480,211.30 : 680,286,672.15 = 146,720,121.70 : x
  2. Step 2: Convert to fraction form
    453,480,211.30/680,286,672.15 = 146,720,121.70/x
  3. Step 3: Cross multiply
    453,480,211.30x = 680,286,672.15 × 146,720,121.70
  4. Step 4: Simplify right side
    453,480,211.30x = 99,811,743,328,735,984
  5. Step 5: Solve for x
    x = 99,811,743,328,735,984/453,480,211.30
  6. Step 6: Final answer
    x = 220,101,651.28

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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.