Home / 512,930,376,083.52-707,549,831,637.12-319,907,437,433.28

Finding the Fourth Proportional to 512,930,376,083.52, 707,549,831,637.12 and 319,907,437,433.28

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Solution

The fourth proportional to 512,930,376,083.52, 707,549,831,637.12 and 319,907,437,433.28 is: 441,288,845,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,930,376,083.52 : 707,549,831,637.12 = 319,907,437,433.28 : x
  2. Step 2: Convert to fraction form
    512,930,376,083.52/707,549,831,637.12 = 319,907,437,433.28/x
  3. Step 3: Cross multiply
    512,930,376,083.52x = 707,549,831,637.12 × 319,907,437,433.28
  4. Step 4: Simplify right side
    512,930,376,083.52x = 226,350,453,495,379,796,164,608
  5. Step 5: Solve for x
    x = 226,350,453,495,379,796,164,608/512,930,376,083.52
  6. Step 6: Final answer
    x = 441,288,845,522.62

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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.