Home / 414,242,404,239.28-571,571,609,332.68-231,311,359,248.02

Finding the Fourth Proportional to 414,242,404,239.28, 571,571,609,332.68 and 231,311,359,248.02

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Solution

The fourth proportional to 414,242,404,239.28, 571,571,609,332.68 and 231,311,359,248.02 is: 319,163,379,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,242,404,239.28 : 571,571,609,332.68 = 231,311,359,248.02 : x
  2. Step 2: Convert to fraction form
    414,242,404,239.28/571,571,609,332.68 = 231,311,359,248.02/x
  3. Step 3: Cross multiply
    414,242,404,239.28x = 571,571,609,332.68 × 231,311,359,248.02
  4. Step 4: Simplify right side
    414,242,404,239.28x = 132,211,005,862,320,485,171,200
  5. Step 5: Solve for x
    x = 132,211,005,862,320,485,171,200/414,242,404,239.28
  6. Step 6: Final answer
    x = 319,163,379,966.17

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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.