Home / 442,370,617.60-663,555,926.40-410,121,990.40

Finding the Fourth Proportional to 442,370,617.60, 663,555,926.40 and 410,121,990.40

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Solution

The fourth proportional to 442,370,617.60, 663,555,926.40 and 410,121,990.40 is: 615,182,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,370,617.60 : 663,555,926.40 = 410,121,990.40 : x
  2. Step 2: Convert to fraction form
    442,370,617.60/663,555,926.40 = 410,121,990.40/x
  3. Step 3: Cross multiply
    442,370,617.60x = 663,555,926.40 × 410,121,990.40
  4. Step 4: Simplify right side
    442,370,617.60x = 272,138,877,276,883,872
  5. Step 5: Solve for x
    x = 272,138,877,276,883,872/442,370,617.60
  6. Step 6: Final answer
    x = 615,182,985.60

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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.