Home / 488,694,773.20-733,042,159.80-439,377,048.40

Finding the Fourth Proportional to 488,694,773.20, 733,042,159.80 and 439,377,048.40

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Solution

The fourth proportional to 488,694,773.20, 733,042,159.80 and 439,377,048.40 is: 659,065,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,694,773.20 : 733,042,159.80 = 439,377,048.40 : x
  2. Step 2: Convert to fraction form
    488,694,773.20/733,042,159.80 = 439,377,048.40/x
  3. Step 3: Cross multiply
    488,694,773.20x = 733,042,159.80 × 439,377,048.40
  4. Step 4: Simplify right side
    488,694,773.20x = 322,081,900,525,685,120
  5. Step 5: Solve for x
    x = 322,081,900,525,685,120/488,694,773.20
  6. Step 6: Final answer
    x = 659,065,572.60

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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.