Home / 353,863,152.90-488,333,418.03-197,240,191.29

Finding the Fourth Proportional to 353,863,152.90, 488,333,418.03 and 197,240,191.29

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Solution

The fourth proportional to 353,863,152.90, 488,333,418.03 and 197,240,191.29 is: 272,192,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,863,152.90 : 488,333,418.03 = 197,240,191.29 : x
  2. Step 2: Convert to fraction form
    353,863,152.90/488,333,418.03 = 197,240,191.29/x
  3. Step 3: Cross multiply
    353,863,152.90x = 488,333,418.03 × 197,240,191.29
  4. Step 4: Simplify right side
    353,863,152.90x = 96,318,976,785,536,720
  5. Step 5: Solve for x
    x = 96,318,976,785,536,720/353,863,152.90
  6. Step 6: Final answer
    x = 272,192,727.60

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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.