Home / 359,366,689.40-539,050,034.10-321,071,444.60

Finding the Fourth Proportional to 359,366,689.40, 539,050,034.10 and 321,071,444.60

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Solution

The fourth proportional to 359,366,689.40, 539,050,034.10 and 321,071,444.60 is: 481,607,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,366,689.40 : 539,050,034.10 = 321,071,444.60 : x
  2. Step 2: Convert to fraction form
    359,366,689.40/539,050,034.10 = 321,071,444.60/x
  3. Step 3: Cross multiply
    359,366,689.40x = 539,050,034.10 × 321,071,444.60
  4. Step 4: Simplify right side
    359,366,689.40x = 173,073,573,160,166,272
  5. Step 5: Solve for x
    x = 173,073,573,160,166,272/359,366,689.40
  6. Step 6: Final answer
    x = 481,607,166.90

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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.