Home / 465,966,009.20-699,956,783.40-329,917,113.20

Finding the Fourth Proportional to 465,966,009.20, 699,956,783.40 and 329,917,113.20

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Solution

The fourth proportional to 465,966,009.20, 699,956,783.40 and 329,917,113.20 is: 495,589,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,966,009.20 : 699,956,783.40 = 329,917,113.20 : x
  2. Step 2: Convert to fraction form
    465,966,009.20/699,956,783.40 = 329,917,113.20/x
  3. Step 3: Cross multiply
    465,966,009.20x = 699,956,783.40 × 329,917,113.20
  4. Step 4: Simplify right side
    465,966,009.20x = 230,927,721,344,085,664
  5. Step 5: Solve for x
    x = 230,927,721,344,085,664/465,966,009.20
  6. Step 6: Final answer
    x = 495,589,199.18

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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.