Home / 305,596,913.40-458,395,370.10-220,141,200.60

Finding the Fourth Proportional to 305,596,913.40, 458,395,370.10 and 220,141,200.60

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Solution

The fourth proportional to 305,596,913.40, 458,395,370.10 and 220,141,200.60 is: 330,211,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,596,913.40 : 458,395,370.10 = 220,141,200.60 : x
  2. Step 2: Convert to fraction form
    305,596,913.40/458,395,370.10 = 220,141,200.60/x
  3. Step 3: Cross multiply
    305,596,913.40x = 458,395,370.10 × 220,141,200.60
  4. Step 4: Simplify right side
    305,596,913.40x = 100,911,707,123,295,344
  5. Step 5: Solve for x
    x = 100,911,707,123,295,344/305,596,913.40
  6. Step 6: Final answer
    x = 330,211,800.90

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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.