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Finding the Fourth Proportional to 357,328,259.80, 534,858,648.90 and 357,328,259.80

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Solution

The fourth proportional to 357,328,259.80, 534,858,648.90 and 357,328,259.80 is: 534,858,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,328,259.80 : 534,858,648.90 = 357,328,259.80 : x
  2. Step 2: Convert to fraction form
    357,328,259.80/534,858,648.90 = 357,328,259.80/x
  3. Step 3: Cross multiply
    357,328,259.80x = 534,858,648.90 × 357,328,259.80
  4. Step 4: Simplify right side
    357,328,259.80x = 191,120,110,250,416,192
  5. Step 5: Solve for x
    x = 191,120,110,250,416,192/357,328,259.80
  6. Step 6: Final answer
    x = 534,858,648.90

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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.