Home / 871,576,279.77-1,202,765,475.94-475,090,569.82

Finding the Fourth Proportional to 871,576,279.77, 1,202,765,475.94 and 475,090,569.82

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Solution

The fourth proportional to 871,576,279.77, 1,202,765,475.94 and 475,090,569.82 is: 655,619,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,576,279.77 : 1,202,765,475.94 = 475,090,569.82 : x
  2. Step 2: Convert to fraction form
    871,576,279.77/1,202,765,475.94 = 475,090,569.82/x
  3. Step 3: Cross multiply
    871,576,279.77x = 1,202,765,475.94 × 475,090,569.82
  4. Step 4: Simplify right side
    871,576,279.77x = 571,422,535,324,158,144
  5. Step 5: Solve for x
    x = 571,422,535,324,158,144/871,576,279.77
  6. Step 6: Final answer
    x = 655,619,649.81

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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.