Home / 637,444,248,171.42-879,670,926,819.42-348,412,340,145.78

Finding the Fourth Proportional to 637,444,248,171.42, 879,670,926,819.42 and 348,412,340,145.78

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Solution

The fourth proportional to 637,444,248,171.42, 879,670,926,819.42 and 348,412,340,145.78 is: 480,807,862,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,444,248,171.42 : 879,670,926,819.42 = 348,412,340,145.78 : x
  2. Step 2: Convert to fraction form
    637,444,248,171.42/879,670,926,819.42 = 348,412,340,145.78/x
  3. Step 3: Cross multiply
    637,444,248,171.42x = 879,670,926,819.42 × 348,412,340,145.78
  4. Step 4: Simplify right side
    637,444,248,171.42x = 306,488,206,171,361,316,438,016
  5. Step 5: Solve for x
    x = 306,488,206,171,361,316,438,016/637,444,248,171.42
  6. Step 6: Final answer
    x = 480,807,862,100.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.