Home / 424,433,901.90-585,712,785.20-238,794,474.72

Finding the Fourth Proportional to 424,433,901.90, 585,712,785.20 and 238,794,474.72

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Solution

The fourth proportional to 424,433,901.90, 585,712,785.20 and 238,794,474.72 is: 329,532,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,433,901.90 : 585,712,785.20 = 238,794,474.72 : x
  2. Step 2: Convert to fraction form
    424,433,901.90/585,712,785.20 = 238,794,474.72/x
  3. Step 3: Cross multiply
    424,433,901.90x = 585,712,785.20 × 238,794,474.72
  4. Step 4: Simplify right side
    424,433,901.90x = 139,864,976,878,622,208
  5. Step 5: Solve for x
    x = 139,864,976,878,622,208/424,433,901.90
  6. Step 6: Final answer
    x = 329,532,999.73

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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.