Home / 522,022,965.47-783,408,452.88-190,029,281.64

Finding the Fourth Proportional to 522,022,965.47, 783,408,452.88 and 190,029,281.64

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Solution

The fourth proportional to 522,022,965.47, 783,408,452.88 and 190,029,281.64 is: 285,180,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,022,965.47 : 783,408,452.88 = 190,029,281.64 : x
  2. Step 2: Convert to fraction form
    522,022,965.47/783,408,452.88 = 190,029,281.64/x
  3. Step 3: Cross multiply
    522,022,965.47x = 783,408,452.88 × 190,029,281.64
  4. Step 4: Simplify right side
    522,022,965.47x = 148,870,545,531,490,176
  5. Step 5: Solve for x
    x = 148,870,545,531,490,176/522,022,965.47
  6. Step 6: Final answer
    x = 285,180,069.42

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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.