Home / 472,405,231.60-708,607,847.40-149,289,103.60

Finding the Fourth Proportional to 472,405,231.60, 708,607,847.40 and 149,289,103.60

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Solution

The fourth proportional to 472,405,231.60, 708,607,847.40 and 149,289,103.60 is: 223,933,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,405,231.60 : 708,607,847.40 = 149,289,103.60 : x
  2. Step 2: Convert to fraction form
    472,405,231.60/708,607,847.40 = 149,289,103.60/x
  3. Step 3: Cross multiply
    472,405,231.60x = 708,607,847.40 × 149,289,103.60
  4. Step 4: Simplify right side
    472,405,231.60x = 105,787,430,342,271,584
  5. Step 5: Solve for x
    x = 105,787,430,342,271,584/472,405,231.60
  6. Step 6: Final answer
    x = 223,933,655.40

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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.