Home / 206,490,143,382.40-309,735,215,073.60-122,600,693,497.60

Finding the Fourth Proportional to 206,490,143,382.40, 309,735,215,073.60 and 122,600,693,497.60

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Solution

The fourth proportional to 206,490,143,382.40, 309,735,215,073.60 and 122,600,693,497.60 is: 183,901,040,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,490,143,382.40 : 309,735,215,073.60 = 122,600,693,497.60 : x
  2. Step 2: Convert to fraction form
    206,490,143,382.40/309,735,215,073.60 = 122,600,693,497.60/x
  3. Step 3: Cross multiply
    206,490,143,382.40x = 309,735,215,073.60 × 122,600,693,497.60
  4. Step 4: Simplify right side
    206,490,143,382.40x = 37,973,752,168,651,650,236,416
  5. Step 5: Solve for x
    x = 37,973,752,168,651,650,236,416/206,490,143,382.40
  6. Step 6: Final answer
    x = 183,901,040,246.40

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1.5x scale

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.