Home / 1,098,752,543.20-1,648,128,814.80-806,034,840.40

Finding the Fourth Proportional to 1,098,752,543.20, 1,648,128,814.80 and 806,034,840.40

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Solution

The fourth proportional to 1,098,752,543.20, 1,648,128,814.80 and 806,034,840.40 is: 1,209,052,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,752,543.20 : 1,648,128,814.80 = 806,034,840.40 : x
  2. Step 2: Convert to fraction form
    1,098,752,543.20/1,648,128,814.80 = 806,034,840.40/x
  3. Step 3: Cross multiply
    1,098,752,543.20x = 1,648,128,814.80 × 806,034,840.40
  4. Step 4: Simplify right side
    1,098,752,543.20x = 1,328,449,246,195,959,040
  5. Step 5: Solve for x
    x = 1,328,449,246,195,959,040/1,098,752,543.20
  6. Step 6: Final answer
    x = 1,209,052,260.60

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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.