Home / 1,648,358,782.25-2,472,920,616.79-542,923,969.23

Finding the Fourth Proportional to 1,648,358,782.25, 2,472,920,616.79 and 542,923,969.23

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Solution

The fourth proportional to 1,648,358,782.25, 2,472,920,616.79 and 542,923,969.23 is: 814,511,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,358,782.25 : 2,472,920,616.79 = 542,923,969.23 : x
  2. Step 2: Convert to fraction form
    1,648,358,782.25/2,472,920,616.79 = 542,923,969.23/x
  3. Step 3: Cross multiply
    1,648,358,782.25x = 2,472,920,616.79 × 542,923,969.23
  4. Step 4: Simplify right side
    1,648,358,782.25x = 1,342,607,876,858,978,304
  5. Step 5: Solve for x
    x = 1,342,607,876,858,978,304/1,648,358,782.25
  6. Step 6: Final answer
    x = 814,511,920.17

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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.