Home / 538,571,036.80-807,557,956.80-231,810,947.20

Finding the Fourth Proportional to 538,571,036.80, 807,557,956.80 and 231,810,947.20

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Solution

The fourth proportional to 538,571,036.80, 807,557,956.80 and 231,810,947.20 is: 347,587,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,571,036.80 : 807,557,956.80 = 231,810,947.20 : x
  2. Step 2: Convert to fraction form
    538,571,036.80/807,557,956.80 = 231,810,947.20/x
  3. Step 3: Cross multiply
    538,571,036.80x = 807,557,956.80 × 231,810,947.20
  4. Step 4: Simplify right side
    538,571,036.80x = 187,200,774,884,704,672
  5. Step 5: Solve for x
    x = 187,200,774,884,704,672/538,571,036.80
  6. Step 6: Final answer
    x = 347,587,898.52

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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.