Home / 5,078,335,929.75-7,007,468,992.20-2,819,968,400.75

Finding the Fourth Proportional to 5,078,335,929.75, 7,007,468,992.20 and 2,819,968,400.75

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Solution

The fourth proportional to 5,078,335,929.75, 7,007,468,992.20 and 2,819,968,400.75 is: 3,891,204,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,335,929.75 : 7,007,468,992.20 = 2,819,968,400.75 : x
  2. Step 2: Convert to fraction form
    5,078,335,929.75/7,007,468,992.20 = 2,819,968,400.75/x
  3. Step 3: Cross multiply
    5,078,335,929.75x = 7,007,468,992.20 × 2,819,968,400.75
  4. Step 4: Simplify right side
    5,078,335,929.75x = 19,760,841,127,204,409,344
  5. Step 5: Solve for x
    x = 19,760,841,127,204,409,344/5,078,335,929.75
  6. Step 6: Final answer
    x = 3,891,204,008.67

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1.5x scale

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.