Home / 353,862,963.03-488,333,155.80-197,240,001.22

Finding the Fourth Proportional to 353,862,963.03, 488,333,155.80 and 197,240,001.22

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Solution

The fourth proportional to 353,862,963.03, 488,333,155.80 and 197,240,001.22 is: 272,192,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,862,963.03 : 488,333,155.80 = 197,240,001.22 : x
  2. Step 2: Convert to fraction form
    353,862,963.03/488,333,155.80 = 197,240,001.22/x
  3. Step 3: Cross multiply
    353,862,963.03x = 488,333,155.80 × 197,240,001.22
  4. Step 4: Simplify right side
    353,862,963.03x = 96,318,832,245,758,448
  5. Step 5: Solve for x
    x = 96,318,832,245,758,448/353,862,963.03
  6. Step 6: Final answer
    x = 272,192,465.19

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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.