Home / 1,253,081,009.28-1,729,150,558.88-724,479,060.48

Finding the Fourth Proportional to 1,253,081,009.28, 1,729,150,558.88 and 724,479,060.48

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Solution

The fourth proportional to 1,253,081,009.28, 1,729,150,558.88 and 724,479,060.48 is: 999,722,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,081,009.28 : 1,729,150,558.88 = 724,479,060.48 : x
  2. Step 2: Convert to fraction form
    1,253,081,009.28/1,729,150,558.88 = 724,479,060.48/x
  3. Step 3: Cross multiply
    1,253,081,009.28x = 1,729,150,558.88 × 724,479,060.48
  4. Step 4: Simplify right side
    1,253,081,009.28x = 1,252,733,372,325,849,344
  5. Step 5: Solve for x
    x = 1,252,733,372,325,849,344/1,253,081,009.28
  6. Step 6: Final answer
    x = 999,722,574.24

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Double scale
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1.5x scale

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.