Home / 512,370,647.01-707,071,826.61-277,421,466.78

Finding the Fourth Proportional to 512,370,647.01, 707,071,826.61 and 277,421,466.78

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Solution

The fourth proportional to 512,370,647.01, 707,071,826.61 and 277,421,466.78 is: 382,841,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,370,647.01 : 707,071,826.61 = 277,421,466.78 : x
  2. Step 2: Convert to fraction form
    512,370,647.01/707,071,826.61 = 277,421,466.78/x
  3. Step 3: Cross multiply
    512,370,647.01x = 707,071,826.61 × 277,421,466.78
  4. Step 4: Simplify right side
    512,370,647.01x = 196,156,903,256,960,032
  5. Step 5: Solve for x
    x = 196,156,903,256,960,032/512,370,647.01
  6. Step 6: Final answer
    x = 382,841,804.86

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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.