Home / 892,368,535.70-1,338,552,803.55-831,902,359.70

Finding the Fourth Proportional to 892,368,535.70, 1,338,552,803.55 and 831,902,359.70

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Solution

The fourth proportional to 892,368,535.70, 1,338,552,803.55 and 831,902,359.70 is: 1,247,853,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,368,535.70 : 1,338,552,803.55 = 831,902,359.70 : x
  2. Step 2: Convert to fraction form
    892,368,535.70/1,338,552,803.55 = 831,902,359.70/x
  3. Step 3: Cross multiply
    892,368,535.70x = 1,338,552,803.55 × 831,902,359.70
  4. Step 4: Simplify right side
    892,368,535.70x = 1,113,545,235,856,295,552
  5. Step 5: Solve for x
    x = 1,113,545,235,856,295,552/892,368,535.70
  6. Step 6: Final answer
    x = 1,247,853,539.55

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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.