Home / 1,368,718,982.88-2,052,258,579.12-435,638,789.52

Finding the Fourth Proportional to 1,368,718,982.88, 2,052,258,579.12 and 435,638,789.52

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Solution

The fourth proportional to 1,368,718,982.88, 2,052,258,579.12 and 435,638,789.52 is: 653,197,226.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,718,982.88 : 2,052,258,579.12 = 435,638,789.52 : x
  2. Step 2: Convert to fraction form
    1,368,718,982.88/2,052,258,579.12 = 435,638,789.52/x
  3. Step 3: Cross multiply
    1,368,718,982.88x = 2,052,258,579.12 × 435,638,789.52
  4. Step 4: Simplify right side
    1,368,718,982.88x = 894,043,443,189,871,872
  5. Step 5: Solve for x
    x = 894,043,443,189,871,872/1,368,718,982.88
  6. Step 6: Final answer
    x = 653,197,226.29

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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.