Home / 439,795,842.80-659,693,764.20-292,480,397.60

Finding the Fourth Proportional to 439,795,842.80, 659,693,764.20 and 292,480,397.60

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Solution

The fourth proportional to 439,795,842.80, 659,693,764.20 and 292,480,397.60 is: 438,720,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,795,842.80 : 659,693,764.20 = 292,480,397.60 : x
  2. Step 2: Convert to fraction form
    439,795,842.80/659,693,764.20 = 292,480,397.60/x
  3. Step 3: Cross multiply
    439,795,842.80x = 659,693,764.20 × 292,480,397.60
  4. Step 4: Simplify right side
    439,795,842.80x = 192,947,494,447,456,672
  5. Step 5: Solve for x
    x = 192,947,494,447,456,672/439,795,842.80
  6. Step 6: Final answer
    x = 438,720,596.40

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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.