Home / 766,956,845.80-1,150,435,268.70-532,272,500.20

Finding the Fourth Proportional to 766,956,845.80, 1,150,435,268.70 and 532,272,500.20

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Solution

The fourth proportional to 766,956,845.80, 1,150,435,268.70 and 532,272,500.20 is: 798,408,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,956,845.80 : 1,150,435,268.70 = 532,272,500.20 : x
  2. Step 2: Convert to fraction form
    766,956,845.80/1,150,435,268.70 = 532,272,500.20/x
  3. Step 3: Cross multiply
    766,956,845.80x = 1,150,435,268.70 × 532,272,500.20
  4. Step 4: Simplify right side
    766,956,845.80x = 612,345,056,789,207,808
  5. Step 5: Solve for x
    x = 612,345,056,789,207,808/766,956,845.80
  6. Step 6: Final answer
    x = 798,408,750.30

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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.