Home / 1,028,524,233.12-1,543,195,143.72-329,124,131.16

Finding the Fourth Proportional to 1,028,524,233.12, 1,543,195,143.72 and 329,124,131.16

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Solution

The fourth proportional to 1,028,524,233.12, 1,543,195,143.72 and 329,124,131.16 is: 493,817,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,524,233.12 : 1,543,195,143.72 = 329,124,131.16 : x
  2. Step 2: Convert to fraction form
    1,028,524,233.12/1,543,195,143.72 = 329,124,131.16/x
  3. Step 3: Cross multiply
    1,028,524,233.12x = 1,543,195,143.72 × 329,124,131.16
  4. Step 4: Simplify right side
    1,028,524,233.12x = 507,902,760,887,176,384
  5. Step 5: Solve for x
    x = 507,902,760,887,176,384/1,028,524,233.12
  6. Step 6: Final answer
    x = 493,817,009.39

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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.