Home / 826,028,178.55-1,238,678,673.56-437,760,041.15

Finding the Fourth Proportional to 826,028,178.55, 1,238,678,673.56 and 437,760,041.15

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Solution

The fourth proportional to 826,028,178.55, 1,238,678,673.56 and 437,760,041.15 is: 656,447,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,028,178.55 : 1,238,678,673.56 = 437,760,041.15 : x
  2. Step 2: Convert to fraction form
    826,028,178.55/1,238,678,673.56 = 437,760,041.15/x
  3. Step 3: Cross multiply
    826,028,178.55x = 1,238,678,673.56 × 437,760,041.15
  4. Step 4: Simplify right side
    826,028,178.55x = 542,244,027,109,252,992
  5. Step 5: Solve for x
    x = 542,244,027,109,252,992/826,028,178.55
  6. Step 6: Final answer
    x = 656,447,372.13

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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.