Home / 638,004,178,439.04-957,007,888,552.80-260,695,970,044.32

Finding the Fourth Proportional to 638,004,178,439.04, 957,007,888,552.80 and 260,695,970,044.32

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Solution

The fourth proportional to 638,004,178,439.04, 957,007,888,552.80 and 260,695,970,044.32 is: 391,044,617,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,004,178,439.04 : 957,007,888,552.80 = 260,695,970,044.32 : x
  2. Step 2: Convert to fraction form
    638,004,178,439.04/957,007,888,552.80 = 260,695,970,044.32/x
  3. Step 3: Cross multiply
    638,004,178,439.04x = 957,007,888,552.80 × 260,695,970,044.32
  4. Step 4: Simplify right side
    638,004,178,439.04x = 249,488,099,846,338,690,154,496
  5. Step 5: Solve for x
    x = 249,488,099,846,338,690,154,496/638,004,178,439.04
  6. Step 6: Final answer
    x = 391,044,617,382.83

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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.