Home / 732,524,885.60-1,010,893,535.30-398,002,993.43

Finding the Fourth Proportional to 732,524,885.60, 1,010,893,535.30 and 398,002,993.43

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Solution

The fourth proportional to 732,524,885.60, 1,010,893,535.30 and 398,002,993.43 is: 549,249,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,524,885.60 : 1,010,893,535.30 = 398,002,993.43 : x
  2. Step 2: Convert to fraction form
    732,524,885.60/1,010,893,535.30 = 398,002,993.43/x
  3. Step 3: Cross multiply
    732,524,885.60x = 1,010,893,535.30 × 398,002,993.43
  4. Step 4: Simplify right side
    732,524,885.60x = 402,338,653,084,375,936
  5. Step 5: Solve for x
    x = 402,338,653,084,375,936/732,524,885.60
  6. Step 6: Final answer
    x = 549,249,125.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.