Home / 1,541,765,417.62-2,127,638,973.38-836,917,876.52

Finding the Fourth Proportional to 1,541,765,417.62, 2,127,638,973.38 and 836,917,876.52

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Solution

The fourth proportional to 1,541,765,417.62, 2,127,638,973.38 and 836,917,876.52 is: 1,154,948,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,765,417.62 : 2,127,638,973.38 = 836,917,876.52 : x
  2. Step 2: Convert to fraction form
    1,541,765,417.62/2,127,638,973.38 = 836,917,876.52/x
  3. Step 3: Cross multiply
    1,541,765,417.62x = 2,127,638,973.38 × 836,917,876.52
  4. Step 4: Simplify right side
    1,541,765,417.62x = 1,780,659,091,612,223,744
  5. Step 5: Solve for x
    x = 1,780,659,091,612,223,744/1,541,765,417.62
  6. Step 6: Final answer
    x = 1,154,948,133.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.