Home / 517,344,535.58-775,729,693.94-172,109,701.94

Finding the Fourth Proportional to 517,344,535.58, 775,729,693.94 and 172,109,701.94

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Solution

The fourth proportional to 517,344,535.58, 775,729,693.94 and 172,109,701.94 is: 258,069,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,344,535.58 : 775,729,693.94 = 172,109,701.94 : x
  2. Step 2: Convert to fraction form
    517,344,535.58/775,729,693.94 = 172,109,701.94/x
  3. Step 3: Cross multiply
    517,344,535.58x = 775,729,693.94 × 172,109,701.94
  4. Step 4: Simplify right side
    517,344,535.58x = 133,510,606,405,281,616
  5. Step 5: Solve for x
    x = 133,510,606,405,281,616/517,344,535.58
  6. Step 6: Final answer
    x = 258,069,037.60

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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.