Home / 442,847,346.30-664,271,019.45-170,227,007.10

Finding the Fourth Proportional to 442,847,346.30, 664,271,019.45 and 170,227,007.10

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Solution

The fourth proportional to 442,847,346.30, 664,271,019.45 and 170,227,007.10 is: 255,340,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,847,346.30 : 664,271,019.45 = 170,227,007.10 : x
  2. Step 2: Convert to fraction form
    442,847,346.30/664,271,019.45 = 170,227,007.10/x
  3. Step 3: Cross multiply
    442,847,346.30x = 664,271,019.45 × 170,227,007.10
  4. Step 4: Simplify right side
    442,847,346.30x = 113,076,867,544,239,392
  5. Step 5: Solve for x
    x = 113,076,867,544,239,392/442,847,346.30
  6. Step 6: Final answer
    x = 255,340,510.65

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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.