Home / 309,744,010.10-464,616,015.15-217,029,206.90

Finding the Fourth Proportional to 309,744,010.10, 464,616,015.15 and 217,029,206.90

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Solution

The fourth proportional to 309,744,010.10, 464,616,015.15 and 217,029,206.90 is: 325,543,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,744,010.10 : 464,616,015.15 = 217,029,206.90 : x
  2. Step 2: Convert to fraction form
    309,744,010.10/464,616,015.15 = 217,029,206.90/x
  3. Step 3: Cross multiply
    309,744,010.10x = 464,616,015.15 × 217,029,206.90
  4. Step 4: Simplify right side
    309,744,010.10x = 100,835,245,281,042,880
  5. Step 5: Solve for x
    x = 100,835,245,281,042,880/309,744,010.10
  6. Step 6: Final answer
    x = 325,543,810.35

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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.