Home / 1,681,857,145.80-2,522,785,718.70-808,247,857.95

Finding the Fourth Proportional to 1,681,857,145.80, 2,522,785,718.70 and 808,247,857.95

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Solution

The fourth proportional to 1,681,857,145.80, 2,522,785,718.70 and 808,247,857.95 is: 1,212,371,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,857,145.80 : 2,522,785,718.70 = 808,247,857.95 : x
  2. Step 2: Convert to fraction form
    1,681,857,145.80/2,522,785,718.70 = 808,247,857.95/x
  3. Step 3: Cross multiply
    1,681,857,145.80x = 2,522,785,718.70 × 808,247,857.95
  4. Step 4: Simplify right side
    1,681,857,145.80x = 2,039,036,153,206,126,336
  5. Step 5: Solve for x
    x = 2,039,036,153,206,126,336/1,681,857,145.80
  6. Step 6: Final answer
    x = 1,212,371,786.93

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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.