Home / 434,125,930.60-650,989,830.30-191,664,029.80

Finding the Fourth Proportional to 434,125,930.60, 650,989,830.30 and 191,664,029.80

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Solution

The fourth proportional to 434,125,930.60, 650,989,830.30 and 191,664,029.80 is: 287,408,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,125,930.60 : 650,989,830.30 = 191,664,029.80 : x
  2. Step 2: Convert to fraction form
    434,125,930.60/650,989,830.30 = 191,664,029.80/x
  3. Step 3: Cross multiply
    434,125,930.60x = 650,989,830.30 × 191,664,029.80
  4. Step 4: Simplify right side
    434,125,930.60x = 124,771,334,234,116,144
  5. Step 5: Solve for x
    x = 124,771,334,234,116,144/434,125,930.60
  6. Step 6: Final answer
    x = 287,408,158.42

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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.