Home / 440,125,928.55-660,188,892.84-310,985,765.55

Finding the Fourth Proportional to 440,125,928.55, 660,188,892.84 and 310,985,765.55

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Solution

The fourth proportional to 440,125,928.55, 660,188,892.84 and 310,985,765.55 is: 466,478,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,125,928.55 : 660,188,892.84 = 310,985,765.55 : x
  2. Step 2: Convert to fraction form
    440,125,928.55/660,188,892.84 = 310,985,765.55/x
  3. Step 3: Cross multiply
    440,125,928.55x = 660,188,892.84 × 310,985,765.55
  4. Step 4: Simplify right side
    440,125,928.55x = 205,309,348,247,454,336
  5. Step 5: Solve for x
    x = 205,309,348,247,454,336/440,125,928.55
  6. Step 6: Final answer
    x = 466,478,648.34

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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.