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Finding the Fourth Proportional to 597,152,978.20, 823,686,416.82 and 396,205,503.40

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Solution

The fourth proportional to 597,152,978.20, 823,686,416.82 and 396,205,503.40 is: 546,508,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,152,978.20 : 823,686,416.82 = 396,205,503.40 : x
  2. Step 2: Convert to fraction form
    597,152,978.20/823,686,416.82 = 396,205,503.40/x
  3. Step 3: Cross multiply
    597,152,978.20x = 823,686,416.82 × 396,205,503.40
  4. Step 4: Simplify right side
    597,152,978.20x = 326,349,091,419,910,336
  5. Step 5: Solve for x
    x = 326,349,091,419,910,336/597,152,978.20
  6. Step 6: Final answer
    x = 546,508,354.36

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Why These Related Problems?

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