Home / 796,103,378.60-1,098,625,991.29-438,863,313.27

Finding the Fourth Proportional to 796,103,378.60, 1,098,625,991.29 and 438,863,313.27

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Solution

The fourth proportional to 796,103,378.60, 1,098,625,991.29 and 438,863,313.27 is: 605,633,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,103,378.60 : 1,098,625,991.29 = 438,863,313.27 : x
  2. Step 2: Convert to fraction form
    796,103,378.60/1,098,625,991.29 = 438,863,313.27/x
  3. Step 3: Cross multiply
    796,103,378.60x = 1,098,625,991.29 × 438,863,313.27
  4. Step 4: Simplify right side
    796,103,378.60x = 482,146,642,584,471,808
  5. Step 5: Solve for x
    x = 482,146,642,584,471,808/796,103,378.60
  6. Step 6: Final answer
    x = 605,633,207.38

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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.