Home / 1,582,870,872.11-2,374,326,514.67-418,329,301.78

Finding the Fourth Proportional to 1,582,870,872.11, 2,374,326,514.67 and 418,329,301.78

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Solution

The fourth proportional to 1,582,870,872.11, 2,374,326,514.67 and 418,329,301.78 is: 627,499,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,870,872.11 : 2,374,326,514.67 = 418,329,301.78 : x
  2. Step 2: Convert to fraction form
    1,582,870,872.11/2,374,326,514.67 = 418,329,301.78/x
  3. Step 3: Cross multiply
    1,582,870,872.11x = 2,374,326,514.67 × 418,329,301.78
  4. Step 4: Simplify right side
    1,582,870,872.11x = 993,250,353,082,819,072
  5. Step 5: Solve for x
    x = 993,250,353,082,819,072/1,582,870,872.11
  6. Step 6: Final answer
    x = 627,499,292.95

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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.