Home / 1,520,512,088.55-2,280,768,132.83-485,477,596.95

Finding the Fourth Proportional to 1,520,512,088.55, 2,280,768,132.83 and 485,477,596.95

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Solution

The fourth proportional to 1,520,512,088.55, 2,280,768,132.83 and 485,477,596.95 is: 728,216,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,512,088.55 : 2,280,768,132.83 = 485,477,596.95 : x
  2. Step 2: Convert to fraction form
    1,520,512,088.55/2,280,768,132.83 = 485,477,596.95/x
  3. Step 3: Cross multiply
    1,520,512,088.55x = 2,280,768,132.83 × 485,477,596.95
  4. Step 4: Simplify right side
    1,520,512,088.55x = 1,107,261,832,326,446,720
  5. Step 5: Solve for x
    x = 1,107,261,832,326,446,720/1,520,512,088.55
  6. Step 6: Final answer
    x = 728,216,395.43

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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.