Home / 442,928,851.20-664,194,211.20-170,208,979.20

Finding the Fourth Proportional to 442,928,851.20, 664,194,211.20 and 170,208,979.20

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Solution

The fourth proportional to 442,928,851.20, 664,194,211.20 and 170,208,979.20 is: 255,236,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,928,851.20 : 664,194,211.20 = 170,208,979.20 : x
  2. Step 2: Convert to fraction form
    442,928,851.20/664,194,211.20 = 170,208,979.20/x
  3. Step 3: Cross multiply
    442,928,851.20x = 664,194,211.20 × 170,208,979.20
  4. Step 4: Simplify right side
    442,928,851.20x = 113,051,818,678,901,200
  5. Step 5: Solve for x
    x = 113,051,818,678,901,200/442,928,851.20
  6. Step 6: Final answer
    x = 255,236,971.75

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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.