Home / 309,744,010.60-464,616,015.90-217,029,207.40

Finding the Fourth Proportional to 309,744,010.60, 464,616,015.90 and 217,029,207.40

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Solution

The fourth proportional to 309,744,010.60, 464,616,015.90 and 217,029,207.40 is: 325,543,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,744,010.60 : 464,616,015.90 = 217,029,207.40 : x
  2. Step 2: Convert to fraction form
    309,744,010.60/464,616,015.90 = 217,029,207.40/x
  3. Step 3: Cross multiply
    309,744,010.60x = 464,616,015.90 × 217,029,207.40
  4. Step 4: Simplify right side
    309,744,010.60x = 100,835,245,676,122,800
  5. Step 5: Solve for x
    x = 100,835,245,676,122,800/309,744,010.60
  6. Step 6: Final answer
    x = 325,543,811.10

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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.