Home / 864,398,486.88-1,295,871,121.44-700,229,145.60

Finding the Fourth Proportional to 864,398,486.88, 1,295,871,121.44 and 700,229,145.60

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Solution

The fourth proportional to 864,398,486.88, 1,295,871,121.44 and 700,229,145.60 is: 1,049,755,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,398,486.88 : 1,295,871,121.44 = 700,229,145.60 : x
  2. Step 2: Convert to fraction form
    864,398,486.88/1,295,871,121.44 = 700,229,145.60/x
  3. Step 3: Cross multiply
    864,398,486.88x = 1,295,871,121.44 × 700,229,145.60
  4. Step 4: Simplify right side
    864,398,486.88x = 907,406,728,173,645,056
  5. Step 5: Solve for x
    x = 907,406,728,173,645,056/864,398,486.88
  6. Step 6: Final answer
    x = 1,049,755,109.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.