Home / 488,694,761.20-733,042,141.80-439,377,036.40

Finding the Fourth Proportional to 488,694,761.20, 733,042,141.80 and 439,377,036.40

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Solution

The fourth proportional to 488,694,761.20, 733,042,141.80 and 439,377,036.40 is: 659,065,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,694,761.20 : 733,042,141.80 = 439,377,036.40 : x
  2. Step 2: Convert to fraction form
    488,694,761.20/733,042,141.80 = 439,377,036.40/x
  3. Step 3: Cross multiply
    488,694,761.20x = 733,042,141.80 × 439,377,036.40
  4. Step 4: Simplify right side
    488,694,761.20x = 322,081,883,820,392,512
  5. Step 5: Solve for x
    x = 322,081,883,820,392,512/488,694,761.20
  6. Step 6: Final answer
    x = 659,065,554.60

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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.