Home / 471,479,140.80-707,537,575.80-264,217,150.80

Finding the Fourth Proportional to 471,479,140.80, 707,537,575.80 and 264,217,150.80

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Solution

The fourth proportional to 471,479,140.80, 707,537,575.80 and 264,217,150.80 is: 396,504,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,479,140.80 : 707,537,575.80 = 264,217,150.80 : x
  2. Step 2: Convert to fraction form
    471,479,140.80/707,537,575.80 = 264,217,150.80/x
  3. Step 3: Cross multiply
    471,479,140.80x = 707,537,575.80 × 264,217,150.80
  4. Step 4: Simplify right side
    471,479,140.80x = 186,943,562,361,815,040
  5. Step 5: Solve for x
    x = 186,943,562,361,815,040/471,479,140.80
  6. Step 6: Final answer
    x = 396,504,418.08

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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.