Home / 754,027,701.20-1,131,041,551.80-699,608,142.80

Finding the Fourth Proportional to 754,027,701.20, 1,131,041,551.80 and 699,608,142.80

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Solution

The fourth proportional to 754,027,701.20, 1,131,041,551.80 and 699,608,142.80 is: 1,049,412,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,027,701.20 : 1,131,041,551.80 = 699,608,142.80 : x
  2. Step 2: Convert to fraction form
    754,027,701.20/1,131,041,551.80 = 699,608,142.80/x
  3. Step 3: Cross multiply
    754,027,701.20x = 1,131,041,551.80 × 699,608,142.80
  4. Step 4: Simplify right side
    754,027,701.20x = 791,285,879,484,427,904
  5. Step 5: Solve for x
    x = 791,285,879,484,427,904/754,027,701.20
  6. Step 6: Final answer
    x = 1,049,412,214.20

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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.