Home / 198,640,512,187.20-297,960,768,280.80-177,090,367,060.80

Finding the Fourth Proportional to 198,640,512,187.20, 297,960,768,280.80 and 177,090,367,060.80

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Solution

The fourth proportional to 198,640,512,187.20, 297,960,768,280.80 and 177,090,367,060.80 is: 265,635,550,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,640,512,187.20 : 297,960,768,280.80 = 177,090,367,060.80 : x
  2. Step 2: Convert to fraction form
    198,640,512,187.20/297,960,768,280.80 = 177,090,367,060.80/x
  3. Step 3: Cross multiply
    198,640,512,187.20x = 297,960,768,280.80 × 177,090,367,060.80
  4. Step 4: Simplify right side
    198,640,512,187.20x = 52,765,981,824,564,842,201,088
  5. Step 5: Solve for x
    x = 52,765,981,824,564,842,201,088/198,640,512,187.20
  6. Step 6: Final answer
    x = 265,635,550,591.20

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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.