Home / 2,160,319,726.45-2,981,720,823.15-1,313,367,082.30

Finding the Fourth Proportional to 2,160,319,726.45, 2,981,720,823.15 and 1,313,367,082.30

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Solution

The fourth proportional to 2,160,319,726.45, 2,981,720,823.15 and 1,313,367,082.30 is: 1,812,738,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,319,726.45 : 2,981,720,823.15 = 1,313,367,082.30 : x
  2. Step 2: Convert to fraction form
    2,160,319,726.45/2,981,720,823.15 = 1,313,367,082.30/x
  3. Step 3: Cross multiply
    2,160,319,726.45x = 2,981,720,823.15 × 1,313,367,082.30
  4. Step 4: Simplify right side
    2,160,319,726.45x = 3,916,093,977,733,669,888
  5. Step 5: Solve for x
    x = 3,916,093,977,733,669,888/2,160,319,726.45
  6. Step 6: Final answer
    x = 1,812,738,146.94

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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.