Home / 449,295,163.71-620,088,919.88-258,552,261.33

Finding the Fourth Proportional to 449,295,163.71, 620,088,919.88 and 258,552,261.33

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Solution

The fourth proportional to 449,295,163.71, 620,088,919.88 and 258,552,261.33 is: 356,837,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,295,163.71 : 620,088,919.88 = 258,552,261.33 : x
  2. Step 2: Convert to fraction form
    449,295,163.71/620,088,919.88 = 258,552,261.33/x
  3. Step 3: Cross multiply
    449,295,163.71x = 620,088,919.88 × 258,552,261.33
  4. Step 4: Simplify right side
    449,295,163.71x = 160,325,392,459,358,432
  5. Step 5: Solve for x
    x = 160,325,392,459,358,432/449,295,163.71
  6. Step 6: Final answer
    x = 356,837,565.61

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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.