Home / 512,930,374,172.64-707,549,829,007.68-319,907,435,527.44

Finding the Fourth Proportional to 512,930,374,172.64, 707,549,829,007.68 and 319,907,435,527.44

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Solution

The fourth proportional to 512,930,374,172.64, 707,549,829,007.68 and 319,907,435,527.44 is: 441,288,842,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,930,374,172.64 : 707,549,829,007.68 = 319,907,435,527.44 : x
  2. Step 2: Convert to fraction form
    512,930,374,172.64/707,549,829,007.68 = 319,907,435,527.44/x
  3. Step 3: Cross multiply
    512,930,374,172.64x = 707,549,829,007.68 × 319,907,435,527.44
  4. Step 4: Simplify right side
    512,930,374,172.64x = 226,350,451,305,725,609,115,648
  5. Step 5: Solve for x
    x = 226,350,451,305,725,609,115,648/512,930,374,172.64
  6. Step 6: Final answer
    x = 441,288,842,897.69

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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.