Home / 472,405,128.60-708,607,692.90-149,289,000.60

Finding the Fourth Proportional to 472,405,128.60, 708,607,692.90 and 149,289,000.60

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Solution

The fourth proportional to 472,405,128.60, 708,607,692.90 and 149,289,000.60 is: 223,933,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,405,128.60 : 708,607,692.90 = 149,289,000.60 : x
  2. Step 2: Convert to fraction form
    472,405,128.60/708,607,692.90 = 149,289,000.60/x
  3. Step 3: Cross multiply
    472,405,128.60x = 708,607,692.90 × 149,289,000.60
  4. Step 4: Simplify right side
    472,405,128.60x = 105,787,334,290,512,704
  5. Step 5: Solve for x
    x = 105,787,334,290,512,704/472,405,128.60
  6. Step 6: Final answer
    x = 223,933,500.90

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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.