Home / 1,245,582,927.30-1,867,098,932.55-727,746,816.90

Finding the Fourth Proportional to 1,245,582,927.30, 1,867,098,932.55 and 727,746,816.90

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Solution

The fourth proportional to 1,245,582,927.30, 1,867,098,932.55 and 727,746,816.90 is: 1,090,875,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,582,927.30 : 1,867,098,932.55 = 727,746,816.90 : x
  2. Step 2: Convert to fraction form
    1,245,582,927.30/1,867,098,932.55 = 727,746,816.90/x
  3. Step 3: Cross multiply
    1,245,582,927.30x = 1,867,098,932.55 × 727,746,816.90
  4. Step 4: Simplify right side
    1,245,582,927.30x = 1,358,775,305,000,650,240
  5. Step 5: Solve for x
    x = 1,358,775,305,000,650,240/1,245,582,927.30
  6. Step 6: Final answer
    x = 1,090,875,023.43

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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.