Home / 864,618,842.76-1,297,007,992.59-282,356,139.93

Finding the Fourth Proportional to 864,618,842.76, 1,297,007,992.59 and 282,356,139.93

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Solution

The fourth proportional to 864,618,842.76, 1,297,007,992.59 and 282,356,139.93 is: 423,560,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,618,842.76 : 1,297,007,992.59 = 282,356,139.93 : x
  2. Step 2: Convert to fraction form
    864,618,842.76/1,297,007,992.59 = 282,356,139.93/x
  3. Step 3: Cross multiply
    864,618,842.76x = 1,297,007,992.59 × 282,356,139.93
  4. Step 4: Simplify right side
    864,618,842.76x = 366,218,170,246,070,400
  5. Step 5: Solve for x
    x = 366,218,170,246,070,400/864,618,842.76
  6. Step 6: Final answer
    x = 423,560,246.59

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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.