Home / 810,691,591.58-1,118,756,044.91-439,413,874.46

Finding the Fourth Proportional to 810,691,591.58, 1,118,756,044.91 and 439,413,874.46

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Solution

The fourth proportional to 810,691,591.58, 1,118,756,044.91 and 439,413,874.46 is: 606,392,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,691,591.58 : 1,118,756,044.91 = 439,413,874.46 : x
  2. Step 2: Convert to fraction form
    810,691,591.58/1,118,756,044.91 = 439,413,874.46/x
  3. Step 3: Cross multiply
    810,691,591.58x = 1,118,756,044.91 × 439,413,874.46
  4. Step 4: Simplify right side
    810,691,591.58x = 491,596,928,269,148,928
  5. Step 5: Solve for x
    x = 491,596,928,269,148,928/810,691,591.58
  6. Step 6: Final answer
    x = 606,392,040.30

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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.