Home / 617,415,805.76-852,043,794.72-338,982,996.80

Finding the Fourth Proportional to 617,415,805.76, 852,043,794.72 and 338,982,996.80

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Solution

The fourth proportional to 617,415,805.76, 852,043,794.72 and 338,982,996.80 is: 467,802,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,415,805.76 : 852,043,794.72 = 338,982,996.80 : x
  2. Step 2: Convert to fraction form
    617,415,805.76/852,043,794.72 = 338,982,996.80/x
  3. Step 3: Cross multiply
    617,415,805.76x = 852,043,794.72 × 338,982,996.80
  4. Step 4: Simplify right side
    617,415,805.76x = 288,828,358,939,029,632
  5. Step 5: Solve for x
    x = 288,828,358,939,029,632/617,415,805.76
  6. Step 6: Final answer
    x = 467,802,016.48

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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.