Home / 268,015,280.10-402,022,920.15-240,805,500.90

Finding the Fourth Proportional to 268,015,280.10, 402,022,920.15 and 240,805,500.90

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Solution

The fourth proportional to 268,015,280.10, 402,022,920.15 and 240,805,500.90 is: 361,208,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,015,280.10 : 402,022,920.15 = 240,805,500.90 : x
  2. Step 2: Convert to fraction form
    268,015,280.10/402,022,920.15 = 240,805,500.90/x
  3. Step 3: Cross multiply
    268,015,280.10x = 402,022,920.15 × 240,805,500.90
  4. Step 4: Simplify right side
    268,015,280.10x = 96,809,330,660,001,456
  5. Step 5: Solve for x
    x = 96,809,330,660,001,456/268,015,280.10
  6. Step 6: Final answer
    x = 361,208,251.35

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1.5x scale

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.