Home / 317,952,022.20-476,928,033.30-172,833,199.80

Finding the Fourth Proportional to 317,952,022.20, 476,928,033.30 and 172,833,199.80

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Solution

The fourth proportional to 317,952,022.20, 476,928,033.30 and 172,833,199.80 is: 259,249,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952,022.20 : 476,928,033.30 = 172,833,199.80 : x
  2. Step 2: Convert to fraction form
    317,952,022.20/476,928,033.30 = 172,833,199.80/x
  3. Step 3: Cross multiply
    317,952,022.20x = 476,928,033.30 × 172,833,199.80
  4. Step 4: Simplify right side
    317,952,022.20x = 82,428,998,069,559,968
  5. Step 5: Solve for x
    x = 82,428,998,069,559,968/317,952,022.20
  6. Step 6: Final answer
    x = 259,249,799.70

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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.