Home / 319,757,716.80-479,636,575.20-315,453,044.70

Finding the Fourth Proportional to 319,757,716.80, 479,636,575.20 and 315,453,044.70

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Solution

The fourth proportional to 319,757,716.80, 479,636,575.20 and 315,453,044.70 is: 473,179,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,757,716.80 : 479,636,575.20 = 315,453,044.70 : x
  2. Step 2: Convert to fraction form
    319,757,716.80/479,636,575.20 = 315,453,044.70/x
  3. Step 3: Cross multiply
    319,757,716.80x = 479,636,575.20 × 315,453,044.70
  4. Step 4: Simplify right side
    319,757,716.80x = 151,302,817,996,320,512
  5. Step 5: Solve for x
    x = 151,302,817,996,320,512/319,757,716.80
  6. Step 6: Final answer
    x = 473,179,567.05

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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.