Home / 1,377,504,485.77-2,066,264,193.62-408,164,499.85

Finding the Fourth Proportional to 1,377,504,485.77, 2,066,264,193.62 and 408,164,499.85

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Solution

The fourth proportional to 1,377,504,485.77, 2,066,264,193.62 and 408,164,499.85 is: 612,248,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,504,485.77 : 2,066,264,193.62 = 408,164,499.85 : x
  2. Step 2: Convert to fraction form
    1,377,504,485.77/2,066,264,193.62 = 408,164,499.85/x
  3. Step 3: Cross multiply
    1,377,504,485.77x = 2,066,264,193.62 × 408,164,499.85
  4. Step 4: Simplify right side
    1,377,504,485.77x = 843,375,691,144,830,080
  5. Step 5: Solve for x
    x = 843,375,691,144,830,080/1,377,504,485.77
  6. Step 6: Final answer
    x = 612,248,961.70

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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.