Home / 1,042,216,753.72-1,563,375,408.36-342,693,401.36

Finding the Fourth Proportional to 1,042,216,753.72, 1,563,375,408.36 and 342,693,401.36

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Solution

The fourth proportional to 1,042,216,753.72, 1,563,375,408.36 and 342,693,401.36 is: 514,056,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,216,753.72 : 1,563,375,408.36 = 342,693,401.36 : x
  2. Step 2: Convert to fraction form
    1,042,216,753.72/1,563,375,408.36 = 342,693,401.36/x
  3. Step 3: Cross multiply
    1,042,216,753.72x = 1,563,375,408.36 × 342,693,401.36
  4. Step 4: Simplify right side
    1,042,216,753.72x = 535,758,436,293,467,392
  5. Step 5: Solve for x
    x = 535,758,436,293,467,392/1,042,216,753.72
  6. Step 6: Final answer
    x = 514,056,633.98

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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.