Home / 799,632,002.70-1,199,448,004.05-254,428,649.10

Finding the Fourth Proportional to 799,632,002.70, 1,199,448,004.05 and 254,428,649.10

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Solution

The fourth proportional to 799,632,002.70, 1,199,448,004.05 and 254,428,649.10 is: 381,642,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,632,002.70 : 1,199,448,004.05 = 254,428,649.10 : x
  2. Step 2: Convert to fraction form
    799,632,002.70/1,199,448,004.05 = 254,428,649.10/x
  3. Step 3: Cross multiply
    799,632,002.70x = 1,199,448,004.05 × 254,428,649.10
  4. Step 4: Simplify right side
    799,632,002.70x = 305,173,935,336,132,800
  5. Step 5: Solve for x
    x = 305,173,935,336,132,800/799,632,002.70
  6. Step 6: Final answer
    x = 381,642,973.65

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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.