Home / 649,439,449.96-896,233,464.05-381,526,575.40

Finding the Fourth Proportional to 649,439,449.96, 896,233,464.05 and 381,526,575.40

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Solution

The fourth proportional to 649,439,449.96, 896,233,464.05 and 381,526,575.40 is: 526,510,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,439,449.96 : 896,233,464.05 = 381,526,575.40 : x
  2. Step 2: Convert to fraction form
    649,439,449.96/896,233,464.05 = 381,526,575.40/x
  3. Step 3: Cross multiply
    649,439,449.96x = 896,233,464.05 × 381,526,575.40
  4. Step 4: Simplify right side
    649,439,449.96x = 341,936,884,297,875,456
  5. Step 5: Solve for x
    x = 341,936,884,297,875,456/649,439,449.96
  6. Step 6: Final answer
    x = 526,510,799.92

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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.