Home / 1,345,680,267.30-2,019,423,194.55-472,279,947.30

Finding the Fourth Proportional to 1,345,680,267.30, 2,019,423,194.55 and 472,279,947.30

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Solution

The fourth proportional to 1,345,680,267.30, 2,019,423,194.55 and 472,279,947.30 is: 708,736,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,680,267.30 : 2,019,423,194.55 = 472,279,947.30 : x
  2. Step 2: Convert to fraction form
    1,345,680,267.30/2,019,423,194.55 = 472,279,947.30/x
  3. Step 3: Cross multiply
    1,345,680,267.30x = 2,019,423,194.55 × 472,279,947.30
  4. Step 4: Simplify right side
    1,345,680,267.30x = 953,733,079,898,471,680
  5. Step 5: Solve for x
    x = 953,733,079,898,471,680/1,345,680,267.30
  6. Step 6: Final answer
    x = 708,736,765.39

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Double scale
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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.