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Finding the Fourth Proportional to 664,850,978.70, 997,276,468.05 and 320,477,210.70

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Solution

The fourth proportional to 664,850,978.70, 997,276,468.05 and 320,477,210.70 is: 480,715,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,850,978.70 : 997,276,468.05 = 320,477,210.70 : x
  2. Step 2: Convert to fraction form
    664,850,978.70/997,276,468.05 = 320,477,210.70/x
  3. Step 3: Cross multiply
    664,850,978.70x = 997,276,468.05 × 320,477,210.70
  4. Step 4: Simplify right side
    664,850,978.70x = 319,604,380,777,411,648
  5. Step 5: Solve for x
    x = 319,604,380,777,411,648/664,850,978.70
  6. Step 6: Final answer
    x = 480,715,816.05

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Why These Related Problems?

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