Home / 20,995,716,192.30-31,493,604,599.10-8,574,046,763.76

Finding the Fourth Proportional to 20,995,716,192.30, 31,493,604,599.10 and 8,574,046,763.76

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Solution

The fourth proportional to 20,995,716,192.30, 31,493,604,599.10 and 8,574,046,763.76 is: 12,861,082,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,716,192.30 : 31,493,604,599.10 = 8,574,046,763.76 : x
  2. Step 2: Convert to fraction form
    20,995,716,192.30/31,493,604,599.10 = 8,574,046,763.76/x
  3. Step 3: Cross multiply
    20,995,716,192.30x = 31,493,604,599.10 × 8,574,046,763.76
  4. Step 4: Simplify right side
    20,995,716,192.30x = 270,027,638,592,050,397,184
  5. Step 5: Solve for x
    x = 270,027,638,592,050,397,184/20,995,716,192.30
  6. Step 6: Final answer
    x = 12,861,082,523.64

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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.