Home / 5,191,228,218.89-7,786,842,418.28-1,260,907,892.45

Finding the Fourth Proportional to 5,191,228,218.89, 7,786,842,418.28 and 1,260,907,892.45

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Solution

The fourth proportional to 5,191,228,218.89, 7,786,842,418.28 and 1,260,907,892.45 is: 1,891,361,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,228,218.89 : 7,786,842,418.28 = 1,260,907,892.45 : x
  2. Step 2: Convert to fraction form
    5,191,228,218.89/7,786,842,418.28 = 1,260,907,892.45/x
  3. Step 3: Cross multiply
    5,191,228,218.89x = 7,786,842,418.28 × 1,260,907,892.45
  4. Step 4: Simplify right side
    5,191,228,218.89x = 9,818,491,062,473,695,232
  5. Step 5: Solve for x
    x = 9,818,491,062,473,695,232/5,191,228,218.89
  6. Step 6: Final answer
    x = 1,891,361,860.52

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Double scale
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1.5x scale

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.