Home / 808,942,201.40-1,211,360,438.10-445,025,401.40

Finding the Fourth Proportional to 808,942,201.40, 1,211,360,438.10 and 445,025,401.40

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Solution

The fourth proportional to 808,942,201.40, 1,211,360,438.10 and 445,025,401.40 is: 666,408,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,942,201.40 : 1,211,360,438.10 = 445,025,401.40 : x
  2. Step 2: Convert to fraction form
    808,942,201.40/1,211,360,438.10 = 445,025,401.40/x
  3. Step 3: Cross multiply
    808,942,201.40x = 1,211,360,438.10 × 445,025,401.40
  4. Step 4: Simplify right side
    808,942,201.40x = 539,086,165,205,532,288
  5. Step 5: Solve for x
    x = 539,086,165,205,532,288/808,942,201.40
  6. Step 6: Final answer
    x = 666,408,754.88

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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.