Home / 1,442,450,843.82-2,163,124,720.40-787,051,562.76

Finding the Fourth Proportional to 1,442,450,843.82, 2,163,124,720.40 and 787,051,562.76

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Solution

The fourth proportional to 1,442,450,843.82, 2,163,124,720.40 and 787,051,562.76 is: 1,180,276,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,450,843.82 : 2,163,124,720.40 = 787,051,562.76 : x
  2. Step 2: Convert to fraction form
    1,442,450,843.82/2,163,124,720.40 = 787,051,562.76/x
  3. Step 3: Cross multiply
    1,442,450,843.82x = 2,163,124,720.40 × 787,051,562.76
  4. Step 4: Simplify right side
    1,442,450,843.82x = 1,702,490,691,631,672,832
  5. Step 5: Solve for x
    x = 1,702,490,691,631,672,832/1,442,450,843.82
  6. Step 6: Final answer
    x = 1,180,276,401.74

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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.