Home / 636,949,898,166.12-878,984,919,021.80-347,918,046,936.90

Finding the Fourth Proportional to 636,949,898,166.12, 878,984,919,021.80 and 347,918,046,936.90

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Solution

The fourth proportional to 636,949,898,166.12, 878,984,919,021.80 and 347,918,046,936.90 is: 480,123,659,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,949,898,166.12 : 878,984,919,021.80 = 347,918,046,936.90 : x
  2. Step 2: Convert to fraction form
    636,949,898,166.12/878,984,919,021.80 = 347,918,046,936.90/x
  3. Step 3: Cross multiply
    636,949,898,166.12x = 878,984,919,021.80 × 347,918,046,936.90
  4. Step 4: Simplify right side
    636,949,898,166.12x = 305,814,716,313,053,928,882,176
  5. Step 5: Solve for x
    x = 305,814,716,313,053,928,882,176/636,949,898,166.12
  6. Step 6: Final answer
    x = 480,123,659,951.19

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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.