Home / 1,090,896,091.84-1,636,344,151.44-261,849,732.40

Finding the Fourth Proportional to 1,090,896,091.84, 1,636,344,151.44 and 261,849,732.40

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Solution

The fourth proportional to 1,090,896,091.84, 1,636,344,151.44 and 261,849,732.40 is: 392,774,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,896,091.84 : 1,636,344,151.44 = 261,849,732.40 : x
  2. Step 2: Convert to fraction form
    1,090,896,091.84/1,636,344,151.44 = 261,849,732.40/x
  3. Step 3: Cross multiply
    1,090,896,091.84x = 1,636,344,151.44 × 261,849,732.40
  4. Step 4: Simplify right side
    1,090,896,091.84x = 428,476,278,168,869,120
  5. Step 5: Solve for x
    x = 428,476,278,168,869,120/1,090,896,091.84
  6. Step 6: Final answer
    x = 392,774,601.88

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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.