Home / 265,972,511.70-398,958,767.55-229,621,947.30

Finding the Fourth Proportional to 265,972,511.70, 398,958,767.55 and 229,621,947.30

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Solution

The fourth proportional to 265,972,511.70, 398,958,767.55 and 229,621,947.30 is: 344,432,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,972,511.70 : 398,958,767.55 = 229,621,947.30 : x
  2. Step 2: Convert to fraction form
    265,972,511.70/398,958,767.55 = 229,621,947.30/x
  3. Step 3: Cross multiply
    265,972,511.70x = 398,958,767.55 × 229,621,947.30
  4. Step 4: Simplify right side
    265,972,511.70x = 91,609,689,097,239,056
  5. Step 5: Solve for x
    x = 91,609,689,097,239,056/265,972,511.70
  6. Step 6: Final answer
    x = 344,432,920.95

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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.