Home / 354,760,001.70-532,140,002.55-209,641,179.30

Finding the Fourth Proportional to 354,760,001.70, 532,140,002.55 and 209,641,179.30

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Solution

The fourth proportional to 354,760,001.70, 532,140,002.55 and 209,641,179.30 is: 314,461,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,760,001.70 : 532,140,002.55 = 209,641,179.30 : x
  2. Step 2: Convert to fraction form
    354,760,001.70/532,140,002.55 = 209,641,179.30/x
  3. Step 3: Cross multiply
    354,760,001.70x = 532,140,002.55 × 209,641,179.30
  4. Step 4: Simplify right side
    354,760,001.70x = 111,558,457,687,287,024
  5. Step 5: Solve for x
    x = 111,558,457,687,287,024/354,760,001.70
  6. Step 6: Final answer
    x = 314,461,768.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.