Home / 779,166,424-1,075,283,464.96-431,485,912

Finding the Fourth Proportional to 779,166,424, 1,075,283,464.96 and 431,485,912

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Solution

The fourth proportional to 779,166,424, 1,075,283,464.96 and 431,485,912 is: 595,469,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,166,424 : 1,075,283,464.96 = 431,485,912 : x
  2. Step 2: Convert to fraction form
    779,166,424/1,075,283,464.96 = 431,485,912/x
  3. Step 3: Cross multiply
    779,166,424x = 1,075,283,464.96 × 431,485,912
  4. Step 4: Simplify right side
    779,166,424x = 463,969,666,536,785,664
  5. Step 5: Solve for x
    x = 463,969,666,536,785,664/779,166,424
  6. Step 6: Final answer
    x = 595,469,276.20

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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.