Home / 424,257,278.85-585,526,013.31-256,988,632.18

Finding the Fourth Proportional to 424,257,278.85, 585,526,013.31 and 256,988,632.18

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Solution

The fourth proportional to 424,257,278.85, 585,526,013.31 and 256,988,632.18 is: 354,675,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,257,278.85 : 585,526,013.31 = 256,988,632.18 : x
  2. Step 2: Convert to fraction form
    424,257,278.85/585,526,013.31 = 256,988,632.18/x
  3. Step 3: Cross multiply
    424,257,278.85x = 585,526,013.31 × 256,988,632.18
  4. Step 4: Simplify right side
    424,257,278.85x = 150,473,529,266,940,192
  5. Step 5: Solve for x
    x = 150,473,529,266,940,192/424,257,278.85
  6. Step 6: Final answer
    x = 354,675,185.95

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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.