Home / 748,608,087.40-1,122,912,131.10-263,982,884.20

Finding the Fourth Proportional to 748,608,087.40, 1,122,912,131.10 and 263,982,884.20

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Solution

The fourth proportional to 748,608,087.40, 1,122,912,131.10 and 263,982,884.20 is: 395,974,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,608,087.40 : 1,122,912,131.10 = 263,982,884.20 : x
  2. Step 2: Convert to fraction form
    748,608,087.40/1,122,912,131.10 = 263,982,884.20/x
  3. Step 3: Cross multiply
    748,608,087.40x = 1,122,912,131.10 × 263,982,884.20
  4. Step 4: Simplify right side
    748,608,087.40x = 296,429,583,070,946,496
  5. Step 5: Solve for x
    x = 296,429,583,070,946,496/748,608,087.40
  6. Step 6: Final answer
    x = 395,974,326.30

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Double scale
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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.