Home / 475,150,357.12-712,779,344.76-426,328,201.04

Finding the Fourth Proportional to 475,150,357.12, 712,779,344.76 and 426,328,201.04

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Solution

The fourth proportional to 475,150,357.12, 712,779,344.76 and 426,328,201.04 is: 639,540,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,150,357.12 : 712,779,344.76 = 426,328,201.04 : x
  2. Step 2: Convert to fraction form
    475,150,357.12/712,779,344.76 = 426,328,201.04/x
  3. Step 3: Cross multiply
    475,150,357.12x = 712,779,344.76 × 426,328,201.04
  4. Step 4: Simplify right side
    475,150,357.12x = 303,877,935,790,000,768
  5. Step 5: Solve for x
    x = 303,877,935,790,000,768/475,150,357.12
  6. Step 6: Final answer
    x = 639,540,581.71

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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.