Home / 887,122,614.20-1,330,683,921.30-542,748,846.20

Finding the Fourth Proportional to 887,122,614.20, 1,330,683,921.30 and 542,748,846.20

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Solution

The fourth proportional to 887,122,614.20, 1,330,683,921.30 and 542,748,846.20 is: 814,123,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,122,614.20 : 1,330,683,921.30 = 542,748,846.20 : x
  2. Step 2: Convert to fraction form
    887,122,614.20/1,330,683,921.30 = 542,748,846.20/x
  3. Step 3: Cross multiply
    887,122,614.20x = 1,330,683,921.30 × 542,748,846.20
  4. Step 4: Simplify right side
    887,122,614.20x = 722,227,162,942,466,688
  5. Step 5: Solve for x
    x = 722,227,162,942,466,688/887,122,614.20
  6. Step 6: Final answer
    x = 814,123,269.30

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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.