Home / 1,120,293,076.80-1,680,439,615.20-793,137,997.20

Finding the Fourth Proportional to 1,120,293,076.80, 1,680,439,615.20 and 793,137,997.20

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Solution

The fourth proportional to 1,120,293,076.80, 1,680,439,615.20 and 793,137,997.20 is: 1,189,706,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,293,076.80 : 1,680,439,615.20 = 793,137,997.20 : x
  2. Step 2: Convert to fraction form
    1,120,293,076.80/1,680,439,615.20 = 793,137,997.20/x
  3. Step 3: Cross multiply
    1,120,293,076.80x = 1,680,439,615.20 × 793,137,997.20
  4. Step 4: Simplify right side
    1,120,293,076.80x = 1,332,820,510,815,266,816
  5. Step 5: Solve for x
    x = 1,332,820,510,815,266,816/1,120,293,076.80
  6. Step 6: Final answer
    x = 1,189,706,995.80

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Half scale
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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.