Home / 1,004,488,914.80-1,505,920,274.76-314,040,767.60

Finding the Fourth Proportional to 1,004,488,914.80, 1,505,920,274.76 and 314,040,767.60

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Solution

The fourth proportional to 1,004,488,914.80, 1,505,920,274.76 and 314,040,767.60 is: 470,806,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,488,914.80 : 1,505,920,274.76 = 314,040,767.60 : x
  2. Step 2: Convert to fraction form
    1,004,488,914.80/1,505,920,274.76 = 314,040,767.60/x
  3. Step 3: Cross multiply
    1,004,488,914.80x = 1,505,920,274.76 × 314,040,767.60
  4. Step 4: Simplify right side
    1,004,488,914.80x = 472,920,359,030,033,344
  5. Step 5: Solve for x
    x = 472,920,359,030,033,344/1,004,488,914.80
  6. Step 6: Final answer
    x = 470,806,946.76

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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.