Home / 1,487,512,148.80-2,231,268,223.20-1,396,812,884.80

Finding the Fourth Proportional to 1,487,512,148.80, 2,231,268,223.20 and 1,396,812,884.80

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Solution

The fourth proportional to 1,487,512,148.80, 2,231,268,223.20 and 1,396,812,884.80 is: 2,095,219,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,512,148.80 : 2,231,268,223.20 = 1,396,812,884.80 : x
  2. Step 2: Convert to fraction form
    1,487,512,148.80/2,231,268,223.20 = 1,396,812,884.80/x
  3. Step 3: Cross multiply
    1,487,512,148.80x = 2,231,268,223.20 × 1,396,812,884.80
  4. Step 4: Simplify right side
    1,487,512,148.80x = 3,116,664,203,610,562,048
  5. Step 5: Solve for x
    x = 3,116,664,203,610,562,048/1,487,512,148.80
  6. Step 6: Final answer
    x = 2,095,219,327.20

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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.