Home / 1,585,982,129.89-2,188,527,025.03-916,970,098.30

Finding the Fourth Proportional to 1,585,982,129.89, 2,188,527,025.03 and 916,970,098.30

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Solution

The fourth proportional to 1,585,982,129.89, 2,188,527,025.03 and 916,970,098.30 is: 1,265,344,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,982,129.89 : 2,188,527,025.03 = 916,970,098.30 : x
  2. Step 2: Convert to fraction form
    1,585,982,129.89/2,188,527,025.03 = 916,970,098.30/x
  3. Step 3: Cross multiply
    1,585,982,129.89x = 2,188,527,025.03 × 916,970,098.30
  4. Step 4: Simplify right side
    1,585,982,129.89x = 2,006,813,841,273,965,824
  5. Step 5: Solve for x
    x = 2,006,813,841,273,965,824/1,585,982,129.89
  6. Step 6: Final answer
    x = 1,265,344,548.00

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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.