Home / 799,448,710.91-1,103,154,286.52-442,159,711.81

Finding the Fourth Proportional to 799,448,710.91, 1,103,154,286.52 and 442,159,711.81

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Solution

The fourth proportional to 799,448,710.91, 1,103,154,286.52 and 442,159,711.81 is: 610,133,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,448,710.91 : 1,103,154,286.52 = 442,159,711.81 : x
  2. Step 2: Convert to fraction form
    799,448,710.91/1,103,154,286.52 = 442,159,711.81/x
  3. Step 3: Cross multiply
    799,448,710.91x = 1,103,154,286.52 × 442,159,711.81
  4. Step 4: Simplify right side
    799,448,710.91x = 487,770,381,407,996,928
  5. Step 5: Solve for x
    x = 487,770,381,407,996,928/799,448,710.91
  6. Step 6: Final answer
    x = 610,133,426.64

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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.