Home / 447,865,337.10-671,750,248.05-156,738,020.70

Finding the Fourth Proportional to 447,865,337.10, 671,750,248.05 and 156,738,020.70

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Solution

The fourth proportional to 447,865,337.10, 671,750,248.05 and 156,738,020.70 is: 235,090,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,865,337.10 : 671,750,248.05 = 156,738,020.70 : x
  2. Step 2: Convert to fraction form
    447,865,337.10/671,750,248.05 = 156,738,020.70/x
  3. Step 3: Cross multiply
    447,865,337.10x = 671,750,248.05 × 156,738,020.70
  4. Step 4: Simplify right side
    447,865,337.10x = 105,288,804,284,091,024
  5. Step 5: Solve for x
    x = 105,288,804,284,091,024/447,865,337.10
  6. Step 6: Final answer
    x = 235,090,317.47

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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.