Home / 785,178,115,959.80-1,176,117,808,330.40-498,188,447,998.54

Finding the Fourth Proportional to 785,178,115,959.80, 1,176,117,808,330.40 and 498,188,447,998.54

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Solution

The fourth proportional to 785,178,115,959.80, 1,176,117,808,330.40 and 498,188,447,998.54 is: 746,236,164,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,959.80 : 1,176,117,808,330.40 = 498,188,447,998.54 : x
  2. Step 2: Convert to fraction form
    785,178,115,959.80/1,176,117,808,330.40 = 498,188,447,998.54/x
  3. Step 3: Cross multiply
    785,178,115,959.80x = 1,176,117,808,330.40 × 498,188,447,998.54
  4. Step 4: Simplify right side
    785,178,115,959.80x = 585,928,305,595,566,226,669,568
  5. Step 5: Solve for x
    x = 585,928,305,595,566,226,669,568/785,178,115,959.80
  6. Step 6: Final answer
    x = 746,236,164,362.95

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Double scale
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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.