Home / 1,337,656,006.10-2,006,484,009.15-872,751,419.30

Finding the Fourth Proportional to 1,337,656,006.10, 2,006,484,009.15 and 872,751,419.30

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Solution

The fourth proportional to 1,337,656,006.10, 2,006,484,009.15 and 872,751,419.30 is: 1,309,127,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,656,006.10 : 2,006,484,009.15 = 872,751,419.30 : x
  2. Step 2: Convert to fraction form
    1,337,656,006.10/2,006,484,009.15 = 872,751,419.30/x
  3. Step 3: Cross multiply
    1,337,656,006.10x = 2,006,484,009.15 × 872,751,419.30
  4. Step 4: Simplify right side
    1,337,656,006.10x = 1,751,161,766,788,416,768
  5. Step 5: Solve for x
    x = 1,751,161,766,788,416,768/1,337,656,006.10
  6. Step 6: Final answer
    x = 1,309,127,128.95

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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.