Home / 391,815,945.44-587,808,948.72-119,179,626.56

Finding the Fourth Proportional to 391,815,945.44, 587,808,948.72 and 119,179,626.56

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Solution

The fourth proportional to 391,815,945.44, 587,808,948.72 and 119,179,626.56 is: 178,795,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,815,945.44 : 587,808,948.72 = 119,179,626.56 : x
  2. Step 2: Convert to fraction form
    391,815,945.44/587,808,948.72 = 119,179,626.56/x
  3. Step 3: Cross multiply
    391,815,945.44x = 587,808,948.72 × 119,179,626.56
  4. Step 4: Simplify right side
    391,815,945.44x = 70,054,850,997,075,792
  5. Step 5: Solve for x
    x = 70,054,850,997,075,792/391,815,945.44
  6. Step 6: Final answer
    x = 178,795,303.80

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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.