Home / 1,096,789,971.60-1,644,228,363.60-660,264,334.20

Finding the Fourth Proportional to 1,096,789,971.60, 1,644,228,363.60 and 660,264,334.20

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Solution

The fourth proportional to 1,096,789,971.60, 1,644,228,363.60 and 660,264,334.20 is: 989,820,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,789,971.60 : 1,644,228,363.60 = 660,264,334.20 : x
  2. Step 2: Convert to fraction form
    1,096,789,971.60/1,644,228,363.60 = 660,264,334.20/x
  3. Step 3: Cross multiply
    1,096,789,971.60x = 1,644,228,363.60 × 660,264,334.20
  4. Step 4: Simplify right side
    1,096,789,971.60x = 1,085,625,345,765,109,504
  5. Step 5: Solve for x
    x = 1,085,625,345,765,109,504/1,096,789,971.60
  6. Step 6: Final answer
    x = 989,820,634.65

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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.