Home / 20,995,716,312.45-31,493,604,779.70-8,574,046,883.91

Finding the Fourth Proportional to 20,995,716,312.45, 31,493,604,779.70 and 8,574,046,883.91

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Solution

The fourth proportional to 20,995,716,312.45, 31,493,604,779.70 and 8,574,046,883.91 is: 12,861,082,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,716,312.45 : 31,493,604,779.70 = 8,574,046,883.91 : x
  2. Step 2: Convert to fraction form
    20,995,716,312.45/31,493,604,779.70 = 8,574,046,883.91/x
  3. Step 3: Cross multiply
    20,995,716,312.45x = 31,493,604,779.70 × 8,574,046,883.91
  4. Step 4: Simplify right side
    20,995,716,312.45x = 270,027,643,924,479,868,928
  5. Step 5: Solve for x
    x = 270,027,643,924,479,868,928/20,995,716,312.45
  6. Step 6: Final answer
    x = 12,861,082,704.02

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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.