Home / 1,520,512,089.55-2,280,768,134.33-485,477,597.95

Finding the Fourth Proportional to 1,520,512,089.55, 2,280,768,134.33 and 485,477,597.95

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Solution

The fourth proportional to 1,520,512,089.55, 2,280,768,134.33 and 485,477,597.95 is: 728,216,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,512,089.55 : 2,280,768,134.33 = 485,477,597.95 : x
  2. Step 2: Convert to fraction form
    1,520,512,089.55/2,280,768,134.33 = 485,477,597.95/x
  3. Step 3: Cross multiply
    1,520,512,089.55x = 2,280,768,134.33 × 485,477,597.95
  4. Step 4: Simplify right side
    1,520,512,089.55x = 1,107,261,835,335,431,296
  5. Step 5: Solve for x
    x = 1,107,261,835,335,431,296/1,520,512,089.55
  6. Step 6: Final answer
    x = 728,216,396.93

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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.