Home / 403,468,052.10-605,202,078.15-240,209,376.90

Finding the Fourth Proportional to 403,468,052.10, 605,202,078.15 and 240,209,376.90

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Solution

The fourth proportional to 403,468,052.10, 605,202,078.15 and 240,209,376.90 is: 360,314,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,468,052.10 : 605,202,078.15 = 240,209,376.90 : x
  2. Step 2: Convert to fraction form
    403,468,052.10/605,202,078.15 = 240,209,376.90/x
  3. Step 3: Cross multiply
    403,468,052.10x = 605,202,078.15 × 240,209,376.90
  4. Step 4: Simplify right side
    403,468,052.10x = 145,375,214,090,996,608
  5. Step 5: Solve for x
    x = 145,375,214,090,996,608/403,468,052.10
  6. Step 6: Final answer
    x = 360,314,065.35

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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.