Home / 892,368,535.20-1,338,552,802.80-831,902,359.20

Finding the Fourth Proportional to 892,368,535.20, 1,338,552,802.80 and 831,902,359.20

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Solution

The fourth proportional to 892,368,535.20, 1,338,552,802.80 and 831,902,359.20 is: 1,247,853,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,368,535.20 : 1,338,552,802.80 = 831,902,359.20 : x
  2. Step 2: Convert to fraction form
    892,368,535.20/1,338,552,802.80 = 831,902,359.20/x
  3. Step 3: Cross multiply
    892,368,535.20x = 1,338,552,802.80 × 831,902,359.20
  4. Step 4: Simplify right side
    892,368,535.20x = 1,113,545,234,563,092,352
  5. Step 5: Solve for x
    x = 1,113,545,234,563,092,352/892,368,535.20
  6. Step 6: Final answer
    x = 1,247,853,538.80

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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.