Home / 21,282,166,310.98-31,923,280,190.64-8,691,024,757.52

Finding the Fourth Proportional to 21,282,166,310.98, 31,923,280,190.64 and 8,691,024,757.52

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Solution

The fourth proportional to 21,282,166,310.98, 31,923,280,190.64 and 8,691,024,757.52 is: 13,036,549,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,166,310.98 : 31,923,280,190.64 = 8,691,024,757.52 : x
  2. Step 2: Convert to fraction form
    21,282,166,310.98/31,923,280,190.64 = 8,691,024,757.52/x
  3. Step 3: Cross multiply
    21,282,166,310.98x = 31,923,280,190.64 × 8,691,024,757.52
  4. Step 4: Simplify right side
    21,282,166,310.98x = 277,446,018,478,189,936,640
  5. Step 5: Solve for x
    x = 277,446,018,478,189,936,640/21,282,166,310.98
  6. Step 6: Final answer
    x = 13,036,549,683.15

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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.