Home / 442,867,727.60-664,301,591.40-440,316,810.80

Finding the Fourth Proportional to 442,867,727.60, 664,301,591.40 and 440,316,810.80

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Solution

The fourth proportional to 442,867,727.60, 664,301,591.40 and 440,316,810.80 is: 660,475,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,727.60 : 664,301,591.40 = 440,316,810.80 : x
  2. Step 2: Convert to fraction form
    442,867,727.60/664,301,591.40 = 440,316,810.80/x
  3. Step 3: Cross multiply
    442,867,727.60x = 664,301,591.40 × 440,316,810.80
  4. Step 4: Simplify right side
    442,867,727.60x = 292,503,158,134,612,736
  5. Step 5: Solve for x
    x = 292,503,158,134,612,736/442,867,727.60
  6. Step 6: Final answer
    x = 660,475,216.20

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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.