Home / 442,867,986.10-664,301,979.15-440,317,069.30

Finding the Fourth Proportional to 442,867,986.10, 664,301,979.15 and 440,317,069.30

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Solution

The fourth proportional to 442,867,986.10, 664,301,979.15 and 440,317,069.30 is: 660,475,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,986.10 : 664,301,979.15 = 440,317,069.30 : x
  2. Step 2: Convert to fraction form
    442,867,986.10/664,301,979.15 = 440,317,069.30/x
  3. Step 3: Cross multiply
    442,867,986.10x = 664,301,979.15 × 440,317,069.30
  4. Step 4: Simplify right side
    442,867,986.10x = 292,503,500,589,517,696
  5. Step 5: Solve for x
    x = 292,503,500,589,517,696/442,867,986.10
  6. Step 6: Final answer
    x = 660,475,603.95

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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.