Home / 15,692,227,578.38-21,654,650,315.55-9,264,118,167.88

Finding the Fourth Proportional to 15,692,227,578.38, 21,654,650,315.55 and 9,264,118,167.88

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Solution

The fourth proportional to 15,692,227,578.38, 21,654,650,315.55 and 9,264,118,167.88 is: 12,784,114,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692,227,578.38 : 21,654,650,315.55 = 9,264,118,167.88 : x
  2. Step 2: Convert to fraction form
    15,692,227,578.38/21,654,650,315.55 = 9,264,118,167.88/x
  3. Step 3: Cross multiply
    15,692,227,578.38x = 21,654,650,315.55 × 9,264,118,167.88
  4. Step 4: Simplify right side
    15,692,227,578.38x = 200,611,239,407,375,089,664
  5. Step 5: Solve for x
    x = 200,611,239,407,375,089,664/15,692,227,578.38
  6. Step 6: Final answer
    x = 12,784,114,836.81

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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.