Home / 1,373,188,423.20-2,059,782,634.80-1,281,817,312.80

Finding the Fourth Proportional to 1,373,188,423.20, 2,059,782,634.80 and 1,281,817,312.80

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Solution

The fourth proportional to 1,373,188,423.20, 2,059,782,634.80 and 1,281,817,312.80 is: 1,922,725,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,188,423.20 : 2,059,782,634.80 = 1,281,817,312.80 : x
  2. Step 2: Convert to fraction form
    1,373,188,423.20/2,059,782,634.80 = 1,281,817,312.80/x
  3. Step 3: Cross multiply
    1,373,188,423.20x = 2,059,782,634.80 × 1,281,817,312.80
  4. Step 4: Simplify right side
    1,373,188,423.20x = 2,640,265,041,891,439,616
  5. Step 5: Solve for x
    x = 2,640,265,041,891,439,616/1,373,188,423.20
  6. Step 6: Final answer
    x = 1,922,725,969.20

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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.