Home / 7,086,313,174.40-9,778,922,646.72-3,914,428,826.24

Finding the Fourth Proportional to 7,086,313,174.40, 9,778,922,646.72 and 3,914,428,826.24

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Solution

The fourth proportional to 7,086,313,174.40, 9,778,922,646.72 and 3,914,428,826.24 is: 5,401,807,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,313,174.40 : 9,778,922,646.72 = 3,914,428,826.24 : x
  2. Step 2: Convert to fraction form
    7,086,313,174.40/9,778,922,646.72 = 3,914,428,826.24/x
  3. Step 3: Cross multiply
    7,086,313,174.40x = 9,778,922,646.72 × 3,914,428,826.24
  4. Step 4: Simplify right side
    7,086,313,174.40x = 38,278,896,697,891,921,920
  5. Step 5: Solve for x
    x = 38,278,896,697,891,921,920/7,086,313,174.40
  6. Step 6: Final answer
    x = 5,401,807,083.01

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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.