Home / 440,405,615.40-660,587,427.90-149,244,181.80

Finding the Fourth Proportional to 440,405,615.40, 660,587,427.90 and 149,244,181.80

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Solution

The fourth proportional to 440,405,615.40, 660,587,427.90 and 149,244,181.80 is: 223,859,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,405,615.40 : 660,587,427.90 = 149,244,181.80 : x
  2. Step 2: Convert to fraction form
    440,405,615.40/660,587,427.90 = 149,244,181.80/x
  3. Step 3: Cross multiply
    440,405,615.40x = 660,587,427.90 × 149,244,181.80
  4. Step 4: Simplify right side
    440,405,615.40x = 98,588,830,184,302,000
  5. Step 5: Solve for x
    x = 98,588,830,184,302,000/440,405,615.40
  6. Step 6: Final answer
    x = 223,859,157.87

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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.