Home / 409,133,052.40-613,695,379.48-236,500,020.40

Finding the Fourth Proportional to 409,133,052.40, 613,695,379.48 and 236,500,020.40

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Solution

The fourth proportional to 409,133,052.40, 613,695,379.48 and 236,500,020.40 is: 354,747,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,133,052.40 : 613,695,379.48 = 236,500,020.40 : x
  2. Step 2: Convert to fraction form
    409,133,052.40/613,695,379.48 = 236,500,020.40/x
  3. Step 3: Cross multiply
    409,133,052.40x = 613,695,379.48 × 236,500,020.40
  4. Step 4: Simplify right side
    409,133,052.40x = 145,138,969,766,405,760
  5. Step 5: Solve for x
    x = 145,138,969,766,405,760/409,133,052.40
  6. Step 6: Final answer
    x = 354,747,603.29

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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.