Home / 504,089,739.40-756,134,609.10-443,623,563.40

Finding the Fourth Proportional to 504,089,739.40, 756,134,609.10 and 443,623,563.40

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Solution

The fourth proportional to 504,089,739.40, 756,134,609.10 and 443,623,563.40 is: 665,435,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,089,739.40 : 756,134,609.10 = 443,623,563.40 : x
  2. Step 2: Convert to fraction form
    504,089,739.40/756,134,609.10 = 443,623,563.40/x
  3. Step 3: Cross multiply
    504,089,739.40x = 756,134,609.10 × 443,623,563.40
  4. Step 4: Simplify right side
    504,089,739.40x = 335,439,129,699,008,064
  5. Step 5: Solve for x
    x = 335,439,129,699,008,064/504,089,739.40
  6. Step 6: Final answer
    x = 665,435,345.10

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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.