Home / 1,229,069,818.80-1,843,604,728.20-1,147,440,481.20

Finding the Fourth Proportional to 1,229,069,818.80, 1,843,604,728.20 and 1,147,440,481.20

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Solution

The fourth proportional to 1,229,069,818.80, 1,843,604,728.20 and 1,147,440,481.20 is: 1,721,160,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,069,818.80 : 1,843,604,728.20 = 1,147,440,481.20 : x
  2. Step 2: Convert to fraction form
    1,229,069,818.80/1,843,604,728.20 = 1,147,440,481.20/x
  3. Step 3: Cross multiply
    1,229,069,818.80x = 1,843,604,728.20 × 1,147,440,481.20
  4. Step 4: Simplify right side
    1,229,069,818.80x = 2,115,426,696,468,403,456
  5. Step 5: Solve for x
    x = 2,115,426,696,468,403,456/1,229,069,818.80
  6. Step 6: Final answer
    x = 1,721,160,721.80

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Double scale
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Similar ratio
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1.5x scale

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.