Home / 313,996,735.41-433,307,575.11-172,866,546.87

Finding the Fourth Proportional to 313,996,735.41, 433,307,575.11 and 172,866,546.87

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Solution

The fourth proportional to 313,996,735.41, 433,307,575.11 and 172,866,546.87 is: 238,551,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,996,735.41 : 433,307,575.11 = 172,866,546.87 : x
  2. Step 2: Convert to fraction form
    313,996,735.41/433,307,575.11 = 172,866,546.87/x
  3. Step 3: Cross multiply
    313,996,735.41x = 433,307,575.11 × 172,866,546.87
  4. Step 4: Simplify right side
    313,996,735.41x = 74,904,384,241,878,864
  5. Step 5: Solve for x
    x = 74,904,384,241,878,864/313,996,735.41
  6. Step 6: Final answer
    x = 238,551,474.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.