Home / 14,615,572,697.74-20,167,186,489.28-8,512,929,613.90

Finding the Fourth Proportional to 14,615,572,697.74, 20,167,186,489.28 and 8,512,929,613.90

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Solution

The fourth proportional to 14,615,572,697.74, 20,167,186,489.28 and 8,512,929,613.90 is: 11,746,500,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,572,697.74 : 20,167,186,489.28 = 8,512,929,613.90 : x
  2. Step 2: Convert to fraction form
    14,615,572,697.74/20,167,186,489.28 = 8,512,929,613.90/x
  3. Step 3: Cross multiply
    14,615,572,697.74x = 20,167,186,489.28 × 8,512,929,613.90
  4. Step 4: Simplify right side
    14,615,572,697.74x = 171,681,839,093,635,678,208
  5. Step 5: Solve for x
    x = 171,681,839,093,635,678,208/14,615,572,697.74
  6. Step 6: Final answer
    x = 11,746,500,985.23

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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.