Home / 293,307,314.40-440,296,894.80-172,207,000.80

Finding the Fourth Proportional to 293,307,314.40, 440,296,894.80 and 172,207,000.80

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Solution

The fourth proportional to 293,307,314.40, 440,296,894.80 and 172,207,000.80 is: 258,507,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,307,314.40 : 440,296,894.80 = 172,207,000.80 : x
  2. Step 2: Convert to fraction form
    293,307,314.40/440,296,894.80 = 172,207,000.80/x
  3. Step 3: Cross multiply
    293,307,314.40x = 440,296,894.80 × 172,207,000.80
  4. Step 4: Simplify right side
    293,307,314.40x = 75,822,207,715,061,120
  5. Step 5: Solve for x
    x = 75,822,207,715,061,120/293,307,314.40
  6. Step 6: Final answer
    x = 258,507,728.90

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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.