Home / 27,748,031,926.76-38,285,720,314.95-15,705,042,734.04

Finding the Fourth Proportional to 27,748,031,926.76, 38,285,720,314.95 and 15,705,042,734.04

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Solution

The fourth proportional to 27,748,031,926.76, 38,285,720,314.95 and 15,705,042,734.04 is: 21,669,243,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748,031,926.76 : 38,285,720,314.95 = 15,705,042,734.04 : x
  2. Step 2: Convert to fraction form
    27,748,031,926.76/38,285,720,314.95 = 15,705,042,734.04/x
  3. Step 3: Cross multiply
    27,748,031,926.76x = 38,285,720,314.95 × 15,705,042,734.04
  4. Step 4: Simplify right side
    27,748,031,926.76x = 601,278,873,649,793,073,152
  5. Step 5: Solve for x
    x = 601,278,873,649,793,073,152/27,748,031,926.76
  6. Step 6: Final answer
    x = 21,669,243,975.10

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Double scale
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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.