Home / 186,508,431,234.61-257,381,633,110.80-100,869,396,979.17

Finding the Fourth Proportional to 186,508,431,234.61, 257,381,633,110.80 and 100,869,396,979.17

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Solution

The fourth proportional to 186,508,431,234.61, 257,381,633,110.80 and 100,869,396,979.17 is: 139,199,766,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,508,431,234.61 : 257,381,633,110.80 = 100,869,396,979.17 : x
  2. Step 2: Convert to fraction form
    186,508,431,234.61/257,381,633,110.80 = 100,869,396,979.17/x
  3. Step 3: Cross multiply
    186,508,431,234.61x = 257,381,633,110.80 × 100,869,396,979.17
  4. Step 4: Simplify right side
    186,508,431,234.61x = 25,961,930,125,400,367,693,824
  5. Step 5: Solve for x
    x = 25,961,930,125,400,367,693,824/186,508,431,234.61
  6. Step 6: Final answer
    x = 139,199,766,753.40

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1.5x scale

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.