Home / 18,593,585,332.20-27,890,377,998.30-17,870,400,419.40

Finding the Fourth Proportional to 18,593,585,332.20, 27,890,377,998.30 and 17,870,400,419.40

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Solution

The fourth proportional to 18,593,585,332.20, 27,890,377,998.30 and 17,870,400,419.40 is: 26,805,600,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593,585,332.20 : 27,890,377,998.30 = 17,870,400,419.40 : x
  2. Step 2: Convert to fraction form
    18,593,585,332.20/27,890,377,998.30 = 17,870,400,419.40/x
  3. Step 3: Cross multiply
    18,593,585,332.20x = 27,890,377,998.30 × 17,870,400,419.40
  4. Step 4: Simplify right side
    18,593,585,332.20x = 498,412,222,678,044,901,376
  5. Step 5: Solve for x
    x = 498,412,222,678,044,901,376/18,593,585,332.20
  6. Step 6: Final answer
    x = 26,805,600,629.10

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1.5x scale

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.