Home / 1,778,472,390.22-2,454,306,520.56-985,531,611.49

Finding the Fourth Proportional to 1,778,472,390.22, 2,454,306,520.56 and 985,531,611.49

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Solution

The fourth proportional to 1,778,472,390.22, 2,454,306,520.56 and 985,531,611.49 is: 1,360,041,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,472,390.22 : 2,454,306,520.56 = 985,531,611.49 : x
  2. Step 2: Convert to fraction form
    1,778,472,390.22/2,454,306,520.56 = 985,531,611.49/x
  3. Step 3: Cross multiply
    1,778,472,390.22x = 2,454,306,520.56 × 985,531,611.49
  4. Step 4: Simplify right side
    1,778,472,390.22x = 2,418,796,660,285,640,192
  5. Step 5: Solve for x
    x = 2,418,796,660,285,640,192/1,778,472,390.22
  6. Step 6: Final answer
    x = 1,360,041,726.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.