Home / 1,206,104,947.20-1,809,157,420.80-1,083,660,940.80

Finding the Fourth Proportional to 1,206,104,947.20, 1,809,157,420.80 and 1,083,660,940.80

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Solution

The fourth proportional to 1,206,104,947.20, 1,809,157,420.80 and 1,083,660,940.80 is: 1,625,491,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,104,947.20 : 1,809,157,420.80 = 1,083,660,940.80 : x
  2. Step 2: Convert to fraction form
    1,206,104,947.20/1,809,157,420.80 = 1,083,660,940.80/x
  3. Step 3: Cross multiply
    1,206,104,947.20x = 1,809,157,420.80 × 1,083,660,940.80
  4. Step 4: Simplify right side
    1,206,104,947.20x = 1,960,513,232,679,429,376
  5. Step 5: Solve for x
    x = 1,960,513,232,679,429,376/1,206,104,947.20
  6. Step 6: Final answer
    x = 1,625,491,411.20

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Double scale
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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.