Home / 313,996,584.44-433,307,366.52-172,866,396.28

Finding the Fourth Proportional to 313,996,584.44, 433,307,366.52 and 172,866,396.28

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Solution

The fourth proportional to 313,996,584.44, 433,307,366.52 and 172,866,396.28 is: 238,551,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,996,584.44 : 433,307,366.52 = 172,866,396.28 : x
  2. Step 2: Convert to fraction form
    313,996,584.44/433,307,366.52 = 172,866,396.28/x
  3. Step 3: Cross multiply
    313,996,584.44x = 433,307,366.52 × 172,866,396.28
  4. Step 4: Simplify right side
    313,996,584.44x = 74,904,282,931,889,520
  5. Step 5: Solve for x
    x = 74,904,282,931,889,520/313,996,584.44
  6. Step 6: Final answer
    x = 238,551,266.62

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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.