Home / 507,449,396,575.20-761,509,434,143.92-238,915,172,360.78

Finding the Fourth Proportional to 507,449,396,575.20, 761,509,434,143.92 and 238,915,172,360.78

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Solution

The fourth proportional to 507,449,396,575.20, 761,509,434,143.92 and 238,915,172,360.78 is: 358,530,641,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,449,396,575.20 : 761,509,434,143.92 = 238,915,172,360.78 : x
  2. Step 2: Convert to fraction form
    507,449,396,575.20/761,509,434,143.92 = 238,915,172,360.78/x
  3. Step 3: Cross multiply
    507,449,396,575.20x = 761,509,434,143.92 × 238,915,172,360.78
  4. Step 4: Simplify right side
    507,449,396,575.20x = 181,936,157,712,854,705,766,400
  5. Step 5: Solve for x
    x = 181,936,157,712,854,705,766,400/507,449,396,575.20
  6. Step 6: Final answer
    x = 358,530,641,559.04

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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.