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Finding the Fourth Proportional to 653,201,649.55, 978,189,218.73 and 486,806,143.84

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Solution

The fourth proportional to 653,201,649.55, 978,189,218.73 and 486,806,143.84 is: 729,006,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,201,649.55 : 978,189,218.73 = 486,806,143.84 : x
  2. Step 2: Convert to fraction form
    653,201,649.55/978,189,218.73 = 486,806,143.84/x
  3. Step 3: Cross multiply
    653,201,649.55x = 978,189,218.73 × 486,806,143.84
  4. Step 4: Simplify right side
    653,201,649.55x = 476,188,521,520,267,712
  5. Step 5: Solve for x
    x = 476,188,521,520,267,712/653,201,649.55
  6. Step 6: Final answer
    x = 729,006,918.23

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Why These Related Problems?

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