Home / 1,248,146,001.04-1,721,612,107.92-802,672,557.92

Finding the Fourth Proportional to 1,248,146,001.04, 1,721,612,107.92 and 802,672,557.92

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Solution

The fourth proportional to 1,248,146,001.04, 1,721,612,107.92 and 802,672,557.92 is: 1,107,154,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,146,001.04 : 1,721,612,107.92 = 802,672,557.92 : x
  2. Step 2: Convert to fraction form
    1,248,146,001.04/1,721,612,107.92 = 802,672,557.92/x
  3. Step 3: Cross multiply
    1,248,146,001.04x = 1,721,612,107.92 × 802,672,557.92
  4. Step 4: Simplify right side
    1,248,146,001.04x = 1,381,890,794,410,189,568
  5. Step 5: Solve for x
    x = 1,381,890,794,410,189,568/1,248,146,001.04
  6. Step 6: Final answer
    x = 1,107,154,766.56

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Double scale
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1.5x scale

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.