Home / 313,868,549.16-470,568,265.56-216,546,546.96

Finding the Fourth Proportional to 313,868,549.16, 470,568,265.56 and 216,546,546.96

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Solution

The fourth proportional to 313,868,549.16, 470,568,265.56 and 216,546,546.96 is: 324,657,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,868,549.16 : 470,568,265.56 = 216,546,546.96 : x
  2. Step 2: Convert to fraction form
    313,868,549.16/470,568,265.56 = 216,546,546.96/x
  3. Step 3: Cross multiply
    313,868,549.16x = 470,568,265.56 × 216,546,546.96
  4. Step 4: Simplify right side
    313,868,549.16x = 101,899,933,015,974,288
  5. Step 5: Solve for x
    x = 101,899,933,015,974,288/313,868,549.16
  6. Step 6: Final answer
    x = 324,657,992.30

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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.