Home / 22,000,215,808.72-30,361,030,347.72-12,356,642,600.56

Finding the Fourth Proportional to 22,000,215,808.72, 30,361,030,347.72 and 12,356,642,600.56

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Solution

The fourth proportional to 22,000,215,808.72, 30,361,030,347.72 and 12,356,642,600.56 is: 17,052,578,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000,215,808.72 : 30,361,030,347.72 = 12,356,642,600.56 : x
  2. Step 2: Convert to fraction form
    22,000,215,808.72/30,361,030,347.72 = 12,356,642,600.56/x
  3. Step 3: Cross multiply
    22,000,215,808.72x = 30,361,030,347.72 × 12,356,642,600.56
  4. Step 4: Simplify right side
    22,000,215,808.72x = 375,160,400,991,531,958,272
  5. Step 5: Solve for x
    x = 375,160,400,991,531,958,272/22,000,215,808.72
  6. Step 6: Final answer
    x = 17,052,578,222.57

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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.