Home / 442,847,345.80-664,271,018.70-170,227,006.60

Finding the Fourth Proportional to 442,847,345.80, 664,271,018.70 and 170,227,006.60

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Solution

The fourth proportional to 442,847,345.80, 664,271,018.70 and 170,227,006.60 is: 255,340,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,847,345.80 : 664,271,018.70 = 170,227,006.60 : x
  2. Step 2: Convert to fraction form
    442,847,345.80/664,271,018.70 = 170,227,006.60/x
  3. Step 3: Cross multiply
    442,847,345.80x = 664,271,018.70 × 170,227,006.60
  4. Step 4: Simplify right side
    442,847,345.80x = 113,076,867,084,433,632
  5. Step 5: Solve for x
    x = 113,076,867,084,433,632/442,847,345.80
  6. Step 6: Final answer
    x = 255,340,509.90

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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.