Home / 918,054,558.30-1,377,081,837.45-550,722,539.10

Finding the Fourth Proportional to 918,054,558.30, 1,377,081,837.45 and 550,722,539.10

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Solution

The fourth proportional to 918,054,558.30, 1,377,081,837.45 and 550,722,539.10 is: 826,083,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,054,558.30 : 1,377,081,837.45 = 550,722,539.10 : x
  2. Step 2: Convert to fraction form
    918,054,558.30/1,377,081,837.45 = 550,722,539.10/x
  3. Step 3: Cross multiply
    918,054,558.30x = 1,377,081,837.45 × 550,722,539.10
  4. Step 4: Simplify right side
    918,054,558.30x = 758,390,006,068,957,568
  5. Step 5: Solve for x
    x = 758,390,006,068,957,568/918,054,558.30
  6. Step 6: Final answer
    x = 826,083,808.65

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Double scale
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Similar ratio
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1.5x scale

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.