Home / 1,288,008,002.55-1,932,012,003.83-1,288,008,002.55

Finding the Fourth Proportional to 1,288,008,002.55, 1,932,012,003.83 and 1,288,008,002.55

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Solution

The fourth proportional to 1,288,008,002.55, 1,932,012,003.83 and 1,288,008,002.55 is: 1,932,012,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,008,002.55 : 1,932,012,003.83 = 1,288,008,002.55 : x
  2. Step 2: Convert to fraction form
    1,288,008,002.55/1,932,012,003.83 = 1,288,008,002.55/x
  3. Step 3: Cross multiply
    1,288,008,002.55x = 1,932,012,003.83 × 1,288,008,002.55
  4. Step 4: Simplify right side
    1,288,008,002.55x = 2,488,446,921,955,701,248
  5. Step 5: Solve for x
    x = 2,488,446,921,955,701,248/1,288,008,002.55
  6. Step 6: Final answer
    x = 1,932,012,003.83

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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.