Home / 1,253,080,877.56-1,729,150,377.19-724,478,928.77

Finding the Fourth Proportional to 1,253,080,877.56, 1,729,150,377.19 and 724,478,928.77

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Solution

The fourth proportional to 1,253,080,877.56, 1,729,150,377.19 and 724,478,928.77 is: 999,722,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,080,877.56 : 1,729,150,377.19 = 724,478,928.77 : x
  2. Step 2: Convert to fraction form
    1,253,080,877.56/1,729,150,377.19 = 724,478,928.77/x
  3. Step 3: Cross multiply
    1,253,080,877.56x = 1,729,150,377.19 × 724,478,928.77
  4. Step 4: Simplify right side
    1,253,080,877.56x = 1,252,733,012,951,364,352
  5. Step 5: Solve for x
    x = 1,252,733,012,951,364,352/1,253,080,877.56
  6. Step 6: Final answer
    x = 999,722,392.53

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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.