Home / 664,185,976,094.34-997,868,351,805.04-425,887,505,750.34

Finding the Fourth Proportional to 664,185,976,094.34, 997,868,351,805.04 and 425,887,505,750.34

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Solution

The fourth proportional to 664,185,976,094.34, 997,868,351,805.04 and 425,887,505,750.34 is: 639,850,401,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,185,976,094.34 : 997,868,351,805.04 = 425,887,505,750.34 : x
  2. Step 2: Convert to fraction form
    664,185,976,094.34/997,868,351,805.04 = 425,887,505,750.34/x
  3. Step 3: Cross multiply
    664,185,976,094.34x = 997,868,351,805.04 × 425,887,505,750.34
  4. Step 4: Simplify right side
    664,185,976,094.34x = 424,979,663,417,451,317,559,296
  5. Step 5: Solve for x
    x = 424,979,663,417,451,317,559,296/664,185,976,094.34
  6. Step 6: Final answer
    x = 639,850,401,413.91

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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.