Home / 1,639,025,390.94-2,458,185,834.20-518,637,833.40

Finding the Fourth Proportional to 1,639,025,390.94, 2,458,185,834.20 and 518,637,833.40

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Solution

The fourth proportional to 1,639,025,390.94, 2,458,185,834.20 and 518,637,833.40 is: 777,845,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,025,390.94 : 2,458,185,834.20 = 518,637,833.40 : x
  2. Step 2: Convert to fraction form
    1,639,025,390.94/2,458,185,834.20 = 518,637,833.40/x
  3. Step 3: Cross multiply
    1,639,025,390.94x = 2,458,185,834.20 × 518,637,833.40
  4. Step 4: Simplify right side
    1,639,025,390.94x = 1,274,908,175,144,059,392
  5. Step 5: Solve for x
    x = 1,274,908,175,144,059,392/1,639,025,390.94
  6. Step 6: Final answer
    x = 777,845,286.71

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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.