Home / 20,161,478,627.80-30,233,148,015.30-7,735,679,459.80

Finding the Fourth Proportional to 20,161,478,627.80, 30,233,148,015.30 and 7,735,679,459.80

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Solution

The fourth proportional to 20,161,478,627.80, 30,233,148,015.30 and 7,735,679,459.80 is: 11,600,039,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,478,627.80 : 30,233,148,015.30 = 7,735,679,459.80 : x
  2. Step 2: Convert to fraction form
    20,161,478,627.80/30,233,148,015.30 = 7,735,679,459.80/x
  3. Step 3: Cross multiply
    20,161,478,627.80x = 30,233,148,015.30 × 7,735,679,459.80
  4. Step 4: Simplify right side
    20,161,478,627.80x = 233,873,942,107,049,361,408
  5. Step 5: Solve for x
    x = 233,873,942,107,049,361,408/20,161,478,627.80
  6. Step 6: Final answer
    x = 11,600,039,184.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.