Home / 471,129,682.60-706,771,250.72-139,170,376.36

Finding the Fourth Proportional to 471,129,682.60, 706,771,250.72 and 139,170,376.36

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Solution

The fourth proportional to 471,129,682.60, 706,771,250.72 and 139,170,376.36 is: 208,778,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,129,682.60 : 706,771,250.72 = 139,170,376.36 : x
  2. Step 2: Convert to fraction form
    471,129,682.60/706,771,250.72 = 139,170,376.36/x
  3. Step 3: Cross multiply
    471,129,682.60x = 706,771,250.72 × 139,170,376.36
  4. Step 4: Simplify right side
    471,129,682.60x = 98,361,620,962,434,480
  5. Step 5: Solve for x
    x = 98,361,620,962,434,480/471,129,682.60
  6. Step 6: Final answer
    x = 208,778,229.42

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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.