Home / 418,070,039.76-576,968,928.12-250,812,565.20

Finding the Fourth Proportional to 418,070,039.76, 576,968,928.12 and 250,812,565.20

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Solution

The fourth proportional to 418,070,039.76, 576,968,928.12 and 250,812,565.20 is: 346,140,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,070,039.76 : 576,968,928.12 = 250,812,565.20 : x
  2. Step 2: Convert to fraction form
    418,070,039.76/576,968,928.12 = 250,812,565.20/x
  3. Step 3: Cross multiply
    418,070,039.76x = 576,968,928.12 × 250,812,565.20
  4. Step 4: Simplify right side
    418,070,039.76x = 144,711,056,902,471,616
  5. Step 5: Solve for x
    x = 144,711,056,902,471,616/418,070,039.76
  6. Step 6: Final answer
    x = 346,140,701.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.