Home / 1,247,505,794.96-1,721,571,601.95-690,598,142.24

Finding the Fourth Proportional to 1,247,505,794.96, 1,721,571,601.95 and 690,598,142.24

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Solution

The fourth proportional to 1,247,505,794.96, 1,721,571,601.95 and 690,598,142.24 is: 953,032,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,505,794.96 : 1,721,571,601.95 = 690,598,142.24 : x
  2. Step 2: Convert to fraction form
    1,247,505,794.96/1,721,571,601.95 = 690,598,142.24/x
  3. Step 3: Cross multiply
    1,247,505,794.96x = 1,721,571,601.95 × 690,598,142.24
  4. Step 4: Simplify right side
    1,247,505,794.96x = 1,188,914,150,031,203,072
  5. Step 5: Solve for x
    x = 1,188,914,150,031,203,072/1,247,505,794.96
  6. Step 6: Final answer
    x = 953,032,967.73

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Double scale
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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.