Home / 14,615,572,613.24-20,167,186,372.86-8,512,929,529.20

Finding the Fourth Proportional to 14,615,572,613.24, 20,167,186,372.86 and 8,512,929,529.20

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Solution

The fourth proportional to 14,615,572,613.24, 20,167,186,372.86 and 8,512,929,529.20 is: 11,746,500,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,572,613.24 : 20,167,186,372.86 = 8,512,929,529.20 : x
  2. Step 2: Convert to fraction form
    14,615,572,613.24/20,167,186,372.86 = 8,512,929,529.20/x
  3. Step 3: Cross multiply
    14,615,572,613.24x = 20,167,186,372.86 × 8,512,929,529.20
  4. Step 4: Simplify right side
    14,615,572,613.24x = 171,681,836,394,399,727,616
  5. Step 5: Solve for x
    x = 171,681,836,394,399,727,616/14,615,572,613.24
  6. Step 6: Final answer
    x = 11,746,500,868.46

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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.