Home / 317,952,023.80-476,928,035.70-172,455,287.80

Finding the Fourth Proportional to 317,952,023.80, 476,928,035.70 and 172,455,287.80

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Solution

The fourth proportional to 317,952,023.80, 476,928,035.70 and 172,455,287.80 is: 258,682,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952,023.80 : 476,928,035.70 = 172,455,287.80 : x
  2. Step 2: Convert to fraction form
    317,952,023.80/476,928,035.70 = 172,455,287.80/x
  3. Step 3: Cross multiply
    317,952,023.80x = 476,928,035.70 × 172,455,287.80
  4. Step 4: Simplify right side
    317,952,023.80x = 82,248,761,656,532,176
  5. Step 5: Solve for x
    x = 82,248,761,656,532,176/317,952,023.80
  6. Step 6: Final answer
    x = 258,682,931.70

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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.