Home / 624,327,023.07-861,508,506.42-345,816,509.67

Finding the Fourth Proportional to 624,327,023.07, 861,508,506.42 and 345,816,509.67

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Solution

The fourth proportional to 624,327,023.07, 861,508,506.42 and 345,816,509.67 is: 477,192,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,327,023.07 : 861,508,506.42 = 345,816,509.67 : x
  2. Step 2: Convert to fraction form
    624,327,023.07/861,508,506.42 = 345,816,509.67/x
  3. Step 3: Cross multiply
    624,327,023.07x = 861,508,506.42 × 345,816,509.67
  4. Step 4: Simplify right side
    624,327,023.07x = 297,923,864,741,179,200
  5. Step 5: Solve for x
    x = 297,923,864,741,179,200/624,327,023.07
  6. Step 6: Final answer
    x = 477,192,006.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.