Home / 2,113,152,042.30-3,169,728,063.45-1,378,488,003.90

Finding the Fourth Proportional to 2,113,152,042.30, 3,169,728,063.45 and 1,378,488,003.90

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Solution

The fourth proportional to 2,113,152,042.30, 3,169,728,063.45 and 1,378,488,003.90 is: 2,067,732,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,152,042.30 : 3,169,728,063.45 = 1,378,488,003.90 : x
  2. Step 2: Convert to fraction form
    2,113,152,042.30/3,169,728,063.45 = 1,378,488,003.90/x
  3. Step 3: Cross multiply
    2,113,152,042.30x = 3,169,728,063.45 × 1,378,488,003.90
  4. Step 4: Simplify right side
    2,113,152,042.30x = 4,369,432,111,091,002,880
  5. Step 5: Solve for x
    x = 4,369,432,111,091,002,880/2,113,152,042.30
  6. Step 6: Final answer
    x = 2,067,732,005.85

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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.