Home / 787,968,200.80-1,181,952,301.20-357,986,504.80

Finding the Fourth Proportional to 787,968,200.80, 1,181,952,301.20 and 357,986,504.80

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Solution

The fourth proportional to 787,968,200.80, 1,181,952,301.20 and 357,986,504.80 is: 536,979,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,968,200.80 : 1,181,952,301.20 = 357,986,504.80 : x
  2. Step 2: Convert to fraction form
    787,968,200.80/1,181,952,301.20 = 357,986,504.80/x
  3. Step 3: Cross multiply
    787,968,200.80x = 1,181,952,301.20 × 357,986,504.80
  4. Step 4: Simplify right side
    787,968,200.80x = 423,122,973,146,904,896
  5. Step 5: Solve for x
    x = 423,122,973,146,904,896/787,968,200.80
  6. Step 6: Final answer
    x = 536,979,757.20

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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.