Home / 339,071,886.70-507,852,002.85-261,977,512.30

Finding the Fourth Proportional to 339,071,886.70, 507,852,002.85 and 261,977,512.30

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Solution

The fourth proportional to 339,071,886.70, 507,852,002.85 and 261,977,512.30 is: 392,382,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,071,886.70 : 507,852,002.85 = 261,977,512.30 : x
  2. Step 2: Convert to fraction form
    339,071,886.70/507,852,002.85 = 261,977,512.30/x
  3. Step 3: Cross multiply
    339,071,886.70x = 507,852,002.85 × 261,977,512.30
  4. Step 4: Simplify right side
    339,071,886.70x = 133,045,804,323,215,520
  5. Step 5: Solve for x
    x = 133,045,804,323,215,520/339,071,886.70
  6. Step 6: Final answer
    x = 392,382,292.79

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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.