Home / 206,490,143,276.40-309,735,214,914.60-122,600,693,391.60

Finding the Fourth Proportional to 206,490,143,276.40, 309,735,214,914.60 and 122,600,693,391.60

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Solution

The fourth proportional to 206,490,143,276.40, 309,735,214,914.60 and 122,600,693,391.60 is: 183,901,040,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,490,143,276.40 : 309,735,214,914.60 = 122,600,693,391.60 : x
  2. Step 2: Convert to fraction form
    206,490,143,276.40/309,735,214,914.60 = 122,600,693,391.60/x
  3. Step 3: Cross multiply
    206,490,143,276.40x = 309,735,214,914.60 × 122,600,693,391.60
  4. Step 4: Simplify right side
    206,490,143,276.40x = 37,973,752,116,326,206,275,584
  5. Step 5: Solve for x
    x = 37,973,752,116,326,206,275,584/206,490,143,276.40
  6. Step 6: Final answer
    x = 183,901,040,087.40

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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.