Home / 268,015,269.60-402,022,904.40-240,805,490.40

Finding the Fourth Proportional to 268,015,269.60, 402,022,904.40 and 240,805,490.40

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Solution

The fourth proportional to 268,015,269.60, 402,022,904.40 and 240,805,490.40 is: 361,208,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,015,269.60 : 402,022,904.40 = 240,805,490.40 : x
  2. Step 2: Convert to fraction form
    268,015,269.60/402,022,904.40 = 240,805,490.40/x
  3. Step 3: Cross multiply
    268,015,269.60x = 402,022,904.40 × 240,805,490.40
  4. Step 4: Simplify right side
    268,015,269.60x = 96,809,322,646,074,320
  5. Step 5: Solve for x
    x = 96,809,322,646,074,320/268,015,269.60
  6. Step 6: Final answer
    x = 361,208,235.60

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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.