Home / 918,961,152.05-1,268,174,483.49-501,275,294.93

Finding the Fourth Proportional to 918,961,152.05, 1,268,174,483.49 and 501,275,294.93

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Solution

The fourth proportional to 918,961,152.05, 1,268,174,483.49 and 501,275,294.93 is: 691,764,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,961,152.05 : 1,268,174,483.49 = 501,275,294.93 : x
  2. Step 2: Convert to fraction form
    918,961,152.05/1,268,174,483.49 = 501,275,294.93/x
  3. Step 3: Cross multiply
    918,961,152.05x = 1,268,174,483.49 × 501,275,294.93
  4. Step 4: Simplify right side
    918,961,152.05x = 635,704,538,234,469,760
  5. Step 5: Solve for x
    x = 635,704,538,234,469,760/918,961,152.05
  6. Step 6: Final answer
    x = 691,764,321.94

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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.