Home / 1,109,824,418.01-1,664,239,065.30-661,339,323.66

Finding the Fourth Proportional to 1,109,824,418.01, 1,664,239,065.30 and 661,339,323.66

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Solution

The fourth proportional to 1,109,824,418.01, 1,664,239,065.30 and 661,339,323.66 is: 991,712,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,824,418.01 : 1,664,239,065.30 = 661,339,323.66 : x
  2. Step 2: Convert to fraction form
    1,109,824,418.01/1,664,239,065.30 = 661,339,323.66/x
  3. Step 3: Cross multiply
    1,109,824,418.01x = 1,664,239,065.30 × 661,339,323.66
  4. Step 4: Simplify right side
    1,109,824,418.01x = 1,100,626,737,854,052,480
  5. Step 5: Solve for x
    x = 1,100,626,737,854,052,480/1,109,824,418.01
  6. Step 6: Final answer
    x = 991,712,490.73

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Double scale
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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.