Home / 1,129,455,932.67-1,558,687,034.61-627,685,861.23

Finding the Fourth Proportional to 1,129,455,932.67, 1,558,687,034.61 and 627,685,861.23

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Solution

The fourth proportional to 1,129,455,932.67, 1,558,687,034.61 and 627,685,861.23 is: 866,227,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,455,932.67 : 1,558,687,034.61 = 627,685,861.23 : x
  2. Step 2: Convert to fraction form
    1,129,455,932.67/1,558,687,034.61 = 627,685,861.23/x
  3. Step 3: Cross multiply
    1,129,455,932.67x = 1,558,687,034.61 × 627,685,861.23
  4. Step 4: Simplify right side
    1,129,455,932.67x = 978,365,813,707,212,672
  5. Step 5: Solve for x
    x = 978,365,813,707,212,672/1,129,455,932.67
  6. Step 6: Final answer
    x = 866,227,521.95

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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.