Home / 1,806,411,705.20-2,488,203,411.72-1,276,865,292.44

Finding the Fourth Proportional to 1,806,411,705.20, 2,488,203,411.72 and 1,276,865,292.44

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Solution

The fourth proportional to 1,806,411,705.20, 2,488,203,411.72 and 1,276,865,292.44 is: 1,758,790,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,411,705.20 : 2,488,203,411.72 = 1,276,865,292.44 : x
  2. Step 2: Convert to fraction form
    1,806,411,705.20/2,488,203,411.72 = 1,276,865,292.44/x
  3. Step 3: Cross multiply
    1,806,411,705.20x = 2,488,203,411.72 × 1,276,865,292.44
  4. Step 4: Simplify right side
    1,806,411,705.20x = 3,177,100,576,956,063,232
  5. Step 5: Solve for x
    x = 3,177,100,576,956,063,232/1,806,411,705.20
  6. Step 6: Final answer
    x = 1,758,790,959.90

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Double scale
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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.