Home / 1,328,546,720.80-1,992,820,081.20-591,615,200.80

Finding the Fourth Proportional to 1,328,546,720.80, 1,992,820,081.20 and 591,615,200.80

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Solution

The fourth proportional to 1,328,546,720.80, 1,992,820,081.20 and 591,615,200.80 is: 887,422,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,546,720.80 : 1,992,820,081.20 = 591,615,200.80 : x
  2. Step 2: Convert to fraction form
    1,328,546,720.80/1,992,820,081.20 = 591,615,200.80/x
  3. Step 3: Cross multiply
    1,328,546,720.80x = 1,992,820,081.20 × 591,615,200.80
  4. Step 4: Simplify right side
    1,328,546,720.80x = 1,178,982,652,497,410,304
  5. Step 5: Solve for x
    x = 1,178,982,652,497,410,304/1,328,546,720.80
  6. Step 6: Final answer
    x = 887,422,801.20

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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.