Home / 426,104,246.49-639,340,501.14-229,137,443.52

Finding the Fourth Proportional to 426,104,246.49, 639,340,501.14 and 229,137,443.52

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Solution

The fourth proportional to 426,104,246.49, 639,340,501.14 and 229,137,443.52 is: 343,805,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,104,246.49 : 639,340,501.14 = 229,137,443.52 : x
  2. Step 2: Convert to fraction form
    426,104,246.49/639,340,501.14 = 229,137,443.52/x
  3. Step 3: Cross multiply
    426,104,246.49x = 639,340,501.14 × 229,137,443.52
  4. Step 4: Simplify right side
    426,104,246.49x = 146,496,847,970,015,264
  5. Step 5: Solve for x
    x = 146,496,847,970,015,264/426,104,246.49
  6. Step 6: Final answer
    x = 343,805,181.89

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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.