Home / 1,985,984,929.28-2,740,659,169.92-1,151,093,763.20

Finding the Fourth Proportional to 1,985,984,929.28, 2,740,659,169.92 and 1,151,093,763.20

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Solution

The fourth proportional to 1,985,984,929.28, 2,740,659,169.92 and 1,151,093,763.20 is: 1,588,509,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,984,929.28 : 2,740,659,169.92 = 1,151,093,763.20 : x
  2. Step 2: Convert to fraction form
    1,985,984,929.28/2,740,659,169.92 = 1,151,093,763.20/x
  3. Step 3: Cross multiply
    1,985,984,929.28x = 2,740,659,169.92 × 1,151,093,763.20
  4. Step 4: Simplify right side
    1,985,984,929.28x = 3,154,755,677,551,801,344
  5. Step 5: Solve for x
    x = 3,154,755,677,551,801,344/1,985,984,929.28
  6. Step 6: Final answer
    x = 1,588,509,374.39

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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.