Home / 330,112,013.20-495,168,019.80-177,057,005.20

Finding the Fourth Proportional to 330,112,013.20, 495,168,019.80 and 177,057,005.20

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Solution

The fourth proportional to 330,112,013.20, 495,168,019.80 and 177,057,005.20 is: 265,585,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,112,013.20 : 495,168,019.80 = 177,057,005.20 : x
  2. Step 2: Convert to fraction form
    330,112,013.20/495,168,019.80 = 177,057,005.20/x
  3. Step 3: Cross multiply
    330,112,013.20x = 495,168,019.80 × 177,057,005.20
  4. Step 4: Simplify right side
    330,112,013.20x = 87,672,966,656,602,304
  5. Step 5: Solve for x
    x = 87,672,966,656,602,304/330,112,013.20
  6. Step 6: Final answer
    x = 265,585,507.80

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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.