Home / 471,039,478.30-706,664,592.24-143,540,622.80

Finding the Fourth Proportional to 471,039,478.30, 706,664,592.24 and 143,540,622.80

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Solution

The fourth proportional to 471,039,478.30, 706,664,592.24 and 143,540,622.80 is: 215,343,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,039,478.30 : 706,664,592.24 = 143,540,622.80 : x
  2. Step 2: Convert to fraction form
    471,039,478.30/706,664,592.24 = 143,540,622.80/x
  3. Step 3: Cross multiply
    471,039,478.30x = 706,664,592.24 × 143,540,622.80
  4. Step 4: Simplify right side
    471,039,478.30x = 101,435,075,682,245,456
  5. Step 5: Solve for x
    x = 101,435,075,682,245,456/471,039,478.30
  6. Step 6: Final answer
    x = 215,343,045.23

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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.