Home / 1,980,223,560-2,732,730,262.92-1,088,150,517.36

Finding the Fourth Proportional to 1,980,223,560, 2,732,730,262.92 and 1,088,150,517.36

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Solution

The fourth proportional to 1,980,223,560, 2,732,730,262.92 and 1,088,150,517.36 is: 1,501,659,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,223,560 : 2,732,730,262.92 = 1,088,150,517.36 : x
  2. Step 2: Convert to fraction form
    1,980,223,560/2,732,730,262.92 = 1,088,150,517.36/x
  3. Step 3: Cross multiply
    1,980,223,560x = 2,732,730,262.92 × 1,088,150,517.36
  4. Step 4: Simplify right side
    1,980,223,560x = 2,973,621,849,401,726,464
  5. Step 5: Solve for x
    x = 2,973,621,849,401,726,464/1,980,223,560
  6. Step 6: Final answer
    x = 1,501,659,665.84

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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.