Home / 779,166,287.50-1,075,283,276.43-431,485,775.50

Finding the Fourth Proportional to 779,166,287.50, 1,075,283,276.43 and 431,485,775.50

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Solution

The fourth proportional to 779,166,287.50, 1,075,283,276.43 and 431,485,775.50 is: 595,469,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,166,287.50 : 1,075,283,276.43 = 431,485,775.50 : x
  2. Step 2: Convert to fraction form
    779,166,287.50/1,075,283,276.43 = 431,485,775.50/x
  3. Step 3: Cross multiply
    779,166,287.50x = 1,075,283,276.43 × 431,485,775.50
  4. Step 4: Simplify right side
    779,166,287.50x = 463,969,438,412,579,456
  5. Step 5: Solve for x
    x = 463,969,438,412,579,456/779,166,287.50
  6. Step 6: Final answer
    x = 595,469,087.74

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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.