Home / 861,034,556.47-1,187,593,245.27-649,350,297.67

Finding the Fourth Proportional to 861,034,556.47, 1,187,593,245.27 and 649,350,297.67

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Solution

The fourth proportional to 861,034,556.47, 1,187,593,245.27 and 649,350,297.67 is: 895,624,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,034,556.47 : 1,187,593,245.27 = 649,350,297.67 : x
  2. Step 2: Convert to fraction form
    861,034,556.47/1,187,593,245.27 = 649,350,297.67/x
  3. Step 3: Cross multiply
    861,034,556.47x = 1,187,593,245.27 × 649,350,297.67
  4. Step 4: Simplify right side
    861,034,556.47x = 771,164,027,320,131,456
  5. Step 5: Solve for x
    x = 771,164,027,320,131,456/861,034,556.47
  6. Step 6: Final answer
    x = 895,624,945.05

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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.