Home / 797,400,031.76-1,100,412,085.75-440,167,902.56

Finding the Fourth Proportional to 797,400,031.76, 1,100,412,085.75 and 440,167,902.56

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Solution

The fourth proportional to 797,400,031.76, 1,100,412,085.75 and 440,167,902.56 is: 607,431,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,400,031.76 : 1,100,412,085.75 = 440,167,902.56 : x
  2. Step 2: Convert to fraction form
    797,400,031.76/1,100,412,085.75 = 440,167,902.56/x
  3. Step 3: Cross multiply
    797,400,031.76x = 1,100,412,085.75 × 440,167,902.56
  4. Step 4: Simplify right side
    797,400,031.76x = 484,366,079,729,649,856
  5. Step 5: Solve for x
    x = 484,366,079,729,649,856/797,400,031.76
  6. Step 6: Final answer
    x = 607,431,728.67

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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.