Home / 315,207,416.80-472,811,125.20-297,350,999.20

Finding the Fourth Proportional to 315,207,416.80, 472,811,125.20 and 297,350,999.20

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Solution

The fourth proportional to 315,207,416.80, 472,811,125.20 and 297,350,999.20 is: 446,026,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,207,416.80 : 472,811,125.20 = 297,350,999.20 : x
  2. Step 2: Convert to fraction form
    315,207,416.80/472,811,125.20 = 297,350,999.20/x
  3. Step 3: Cross multiply
    315,207,416.80x = 472,811,125.20 × 297,350,999.20
  4. Step 4: Simplify right side
    315,207,416.80x = 140,590,860,511,096,288
  5. Step 5: Solve for x
    x = 140,590,860,511,096,288/315,207,416.80
  6. Step 6: Final answer
    x = 446,026,498.80

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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.