Home / 309,744,009.60-464,616,014.40-217,029,206.40

Finding the Fourth Proportional to 309,744,009.60, 464,616,014.40 and 217,029,206.40

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Solution

The fourth proportional to 309,744,009.60, 464,616,014.40 and 217,029,206.40 is: 325,543,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,744,009.60 : 464,616,014.40 = 217,029,206.40 : x
  2. Step 2: Convert to fraction form
    309,744,009.60/464,616,014.40 = 217,029,206.40/x
  3. Step 3: Cross multiply
    309,744,009.60x = 464,616,014.40 × 217,029,206.40
  4. Step 4: Simplify right side
    309,744,009.60x = 100,835,244,885,962,976
  5. Step 5: Solve for x
    x = 100,835,244,885,962,976/309,744,009.60
  6. Step 6: Final answer
    x = 325,543,809.60

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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.