Home / 2,638,496,299.31-3,958,414,352.36-1,221,415,059.29

Finding the Fourth Proportional to 2,638,496,299.31, 3,958,414,352.36 and 1,221,415,059.29

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Solution

The fourth proportional to 2,638,496,299.31, 3,958,414,352.36 and 1,221,415,059.29 is: 1,832,432,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,496,299.31 : 3,958,414,352.36 = 1,221,415,059.29 : x
  2. Step 2: Convert to fraction form
    2,638,496,299.31/3,958,414,352.36 = 1,221,415,059.29/x
  3. Step 3: Cross multiply
    2,638,496,299.31x = 3,958,414,352.36 × 1,221,415,059.29
  4. Step 4: Simplify right side
    2,638,496,299.31x = 4,834,866,900,882,176,000
  5. Step 5: Solve for x
    x = 4,834,866,900,882,176,000/2,638,496,299.31
  6. Step 6: Final answer
    x = 1,832,432,701.21

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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.