Home / 21,551,669,322.40-32,327,503,983.60-12,735,700,861.60

Finding the Fourth Proportional to 21,551,669,322.40, 32,327,503,983.60 and 12,735,700,861.60

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Solution

The fourth proportional to 21,551,669,322.40, 32,327,503,983.60 and 12,735,700,861.60 is: 19,103,551,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,669,322.40 : 32,327,503,983.60 = 12,735,700,861.60 : x
  2. Step 2: Convert to fraction form
    21,551,669,322.40/32,327,503,983.60 = 12,735,700,861.60/x
  3. Step 3: Cross multiply
    21,551,669,322.40x = 32,327,503,983.60 × 12,735,700,861.60
  4. Step 4: Simplify right side
    21,551,669,322.40x = 411,713,420,337,311,973,376
  5. Step 5: Solve for x
    x = 411,713,420,337,311,973,376/21,551,669,322.40
  6. Step 6: Final answer
    x = 19,103,551,292.40

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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.