Home / 665,919,982,097.52-918,812,069,812.44-376,888,241,379.12

Finding the Fourth Proportional to 665,919,982,097.52, 918,812,069,812.44 and 376,888,241,379.12

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Solution

The fourth proportional to 665,919,982,097.52, 918,812,069,812.44 and 376,888,241,379.12 is: 520,016,630,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,919,982,097.52 : 918,812,069,812.44 = 376,888,241,379.12 : x
  2. Step 2: Convert to fraction form
    665,919,982,097.52/918,812,069,812.44 = 376,888,241,379.12/x
  3. Step 3: Cross multiply
    665,919,982,097.52x = 918,812,069,812.44 × 376,888,241,379.12
  4. Step 4: Simplify right side
    665,919,982,097.52x = 346,289,465,149,519,745,253,376
  5. Step 5: Solve for x
    x = 346,289,465,149,519,745,253,376/665,919,982,097.52
  6. Step 6: Final answer
    x = 520,016,630,314.61

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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.