Home / 1,143,842,615.69-1,578,376,497.13-641,936,277.95

Finding the Fourth Proportional to 1,143,842,615.69, 1,578,376,497.13 and 641,936,277.95

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Solution

The fourth proportional to 1,143,842,615.69, 1,578,376,497.13 and 641,936,277.95 is: 885,801,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,842,615.69 : 1,578,376,497.13 = 641,936,277.95 : x
  2. Step 2: Convert to fraction form
    1,143,842,615.69/1,578,376,497.13 = 641,936,277.95/x
  3. Step 3: Cross multiply
    1,143,842,615.69x = 1,578,376,497.13 × 641,936,277.95
  4. Step 4: Simplify right side
    1,143,842,615.69x = 1,013,217,133,761,894,400
  5. Step 5: Solve for x
    x = 1,013,217,133,761,894,400/1,143,842,615.69
  6. Step 6: Final answer
    x = 885,801,175.68

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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.