Home / 424,257,280.73-585,526,015.91-256,988,634.06

Finding the Fourth Proportional to 424,257,280.73, 585,526,015.91 and 256,988,634.06

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Solution

The fourth proportional to 424,257,280.73, 585,526,015.91 and 256,988,634.06 is: 354,675,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,257,280.73 : 585,526,015.91 = 256,988,634.06 : x
  2. Step 2: Convert to fraction form
    424,257,280.73/585,526,015.91 = 256,988,634.06/x
  3. Step 3: Cross multiply
    424,257,280.73x = 585,526,015.91 × 256,988,634.06
  4. Step 4: Simplify right side
    424,257,280.73x = 150,473,531,034,019,776
  5. Step 5: Solve for x
    x = 150,473,531,034,019,776/424,257,280.73
  6. Step 6: Final answer
    x = 354,675,188.55

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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.