Home / 15,049,241,922.12-20,768,552,248.53-8,275,615,839.96

Finding the Fourth Proportional to 15,049,241,922.12, 20,768,552,248.53 and 8,275,615,839.96

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Solution

The fourth proportional to 15,049,241,922.12, 20,768,552,248.53 and 8,275,615,839.96 is: 11,420,678,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,241,922.12 : 20,768,552,248.53 = 8,275,615,839.96 : x
  2. Step 2: Convert to fraction form
    15,049,241,922.12/20,768,552,248.53 = 8,275,615,839.96/x
  3. Step 3: Cross multiply
    15,049,241,922.12x = 20,768,552,248.53 × 8,275,615,839.96
  4. Step 4: Simplify right side
    15,049,241,922.12x = 171,872,559,960,971,739,136
  5. Step 5: Solve for x
    x = 171,872,559,960,971,739,136/15,049,241,922.12
  6. Step 6: Final answer
    x = 11,420,678,918.61

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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.