Home / 779,166,273-1,075,283,256.42-431,485,761

Finding the Fourth Proportional to 779,166,273, 1,075,283,256.42 and 431,485,761

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Solution

The fourth proportional to 779,166,273, 1,075,283,256.42 and 431,485,761 is: 595,469,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,166,273 : 1,075,283,256.42 = 431,485,761 : x
  2. Step 2: Convert to fraction form
    779,166,273/1,075,283,256.42 = 431,485,761/x
  3. Step 3: Cross multiply
    779,166,273x = 1,075,283,256.42 × 431,485,761
  4. Step 4: Simplify right side
    779,166,273x = 463,969,414,186,941,888
  5. Step 5: Solve for x
    x = 463,969,414,186,941,888/779,166,273
  6. Step 6: Final answer
    x = 595,469,067.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.