Home / 21,282,166,311.02-31,923,280,190.71-8,691,024,757.58

Finding the Fourth Proportional to 21,282,166,311.02, 31,923,280,190.71 and 8,691,024,757.58

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Solution

The fourth proportional to 21,282,166,311.02, 31,923,280,190.71 and 8,691,024,757.58 is: 13,036,549,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,166,311.02 : 31,923,280,190.71 = 8,691,024,757.58 : x
  2. Step 2: Convert to fraction form
    21,282,166,311.02/31,923,280,190.71 = 8,691,024,757.58/x
  3. Step 3: Cross multiply
    21,282,166,311.02x = 31,923,280,190.71 × 8,691,024,757.58
  4. Step 4: Simplify right side
    21,282,166,311.02x = 277,446,018,480,446,832,640
  5. Step 5: Solve for x
    x = 277,446,018,480,446,832,640/21,282,166,311.02
  6. Step 6: Final answer
    x = 13,036,549,683.24

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Double scale
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1.5x scale

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.