Home / 1,741,872,007.20-2,612,808,010.80-774,413,191.20

Finding the Fourth Proportional to 1,741,872,007.20, 2,612,808,010.80 and 774,413,191.20

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Solution

The fourth proportional to 1,741,872,007.20, 2,612,808,010.80 and 774,413,191.20 is: 1,161,619,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,872,007.20 : 2,612,808,010.80 = 774,413,191.20 : x
  2. Step 2: Convert to fraction form
    1,741,872,007.20/2,612,808,010.80 = 774,413,191.20/x
  3. Step 3: Cross multiply
    1,741,872,007.20x = 2,612,808,010.80 × 774,413,191.20
  4. Step 4: Simplify right side
    1,741,872,007.20x = 2,023,392,989,636,552,448
  5. Step 5: Solve for x
    x = 2,023,392,989,636,552,448/1,741,872,007.20
  6. Step 6: Final answer
    x = 1,161,619,786.80

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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.