Home / 1,054,581,775.38-1,582,179,819.04-472,179,818.36

Finding the Fourth Proportional to 1,054,581,775.38, 1,582,179,819.04 and 472,179,818.36

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Solution

The fourth proportional to 1,054,581,775.38, 1,582,179,819.04 and 472,179,818.36 is: 708,407,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,581,775.38 : 1,582,179,819.04 = 472,179,818.36 : x
  2. Step 2: Convert to fraction form
    1,054,581,775.38/1,582,179,819.04 = 472,179,818.36/x
  3. Step 3: Cross multiply
    1,054,581,775.38x = 1,582,179,819.04 × 472,179,818.36
  4. Step 4: Simplify right side
    1,054,581,775.38x = 747,073,379,566,875,008
  5. Step 5: Solve for x
    x = 747,073,379,566,875,008/1,054,581,775.38
  6. Step 6: Final answer
    x = 708,407,253.95

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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.