Home / 1,081,145,797.76-1,491,992,960-635,127,959.84

Finding the Fourth Proportional to 1,081,145,797.76, 1,491,992,960 and 635,127,959.84

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Solution

The fourth proportional to 1,081,145,797.76, 1,491,992,960 and 635,127,959.84 is: 876,483,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,145,797.76 : 1,491,992,960 = 635,127,959.84 : x
  2. Step 2: Convert to fraction form
    1,081,145,797.76/1,491,992,960 = 635,127,959.84/x
  3. Step 3: Cross multiply
    1,081,145,797.76x = 1,491,992,960 × 635,127,959.84
  4. Step 4: Simplify right side
    1,081,145,797.76x = 947,606,444,780,442,752
  5. Step 5: Solve for x
    x = 947,606,444,780,442,752/1,081,145,797.76
  6. Step 6: Final answer
    x = 876,483,492.55

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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.