Home / 2,826,215,943.48-4,239,956,191.90-861,222,810.60

Finding the Fourth Proportional to 2,826,215,943.48, 4,239,956,191.90 and 861,222,810.60

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Solution

The fourth proportional to 2,826,215,943.48, 4,239,956,191.90 and 861,222,810.60 is: 1,292,026,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,215,943.48 : 4,239,956,191.90 = 861,222,810.60 : x
  2. Step 2: Convert to fraction form
    2,826,215,943.48/4,239,956,191.90 = 861,222,810.60/x
  3. Step 3: Cross multiply
    2,826,215,943.48x = 4,239,956,191.90 × 861,222,810.60
  4. Step 4: Simplify right side
    2,826,215,943.48x = 3,651,546,988,387,791,360
  5. Step 5: Solve for x
    x = 3,651,546,988,387,791,360/2,826,215,943.48
  6. Step 6: Final answer
    x = 1,292,026,887.34

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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.