Home / 2,127,472,046.25-3,188,669,166.46-990,178,359.04

Finding the Fourth Proportional to 2,127,472,046.25, 3,188,669,166.46 and 990,178,359.04

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Solution

The fourth proportional to 2,127,472,046.25, 3,188,669,166.46 and 990,178,359.04 is: 1,484,085,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,472,046.25 : 3,188,669,166.46 = 990,178,359.04 : x
  2. Step 2: Convert to fraction form
    2,127,472,046.25/3,188,669,166.46 = 990,178,359.04/x
  3. Step 3: Cross multiply
    2,127,472,046.25x = 3,188,669,166.46 × 990,178,359.04
  4. Step 4: Simplify right side
    2,127,472,046.25x = 3,157,351,202,766,807,552
  5. Step 5: Solve for x
    x = 3,157,351,202,766,807,552/2,127,472,046.25
  6. Step 6: Final answer
    x = 1,484,085,870.05

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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.