Home / 353,862,966.54-488,333,160.66-197,240,004.72

Finding the Fourth Proportional to 353,862,966.54, 488,333,160.66 and 197,240,004.72

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Solution

The fourth proportional to 353,862,966.54, 488,333,160.66 and 197,240,004.72 is: 272,192,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,862,966.54 : 488,333,160.66 = 197,240,004.72 : x
  2. Step 2: Convert to fraction form
    353,862,966.54/488,333,160.66 = 197,240,004.72/x
  3. Step 3: Cross multiply
    353,862,966.54x = 488,333,160.66 × 197,240,004.72
  4. Step 4: Simplify right side
    353,862,966.54x = 96,318,834,913,510,928
  5. Step 5: Solve for x
    x = 96,318,834,913,510,928/353,862,966.54
  6. Step 6: Final answer
    x = 272,192,470.03

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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.