Home / 777,479,658.38-1,166,212,453.59-245,691,169.45

Finding the Fourth Proportional to 777,479,658.38, 1,166,212,453.59 and 245,691,169.45

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Solution

The fourth proportional to 777,479,658.38, 1,166,212,453.59 and 245,691,169.45 is: 368,534,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,479,658.38 : 1,166,212,453.59 = 245,691,169.45 : x
  2. Step 2: Convert to fraction form
    777,479,658.38/1,166,212,453.59 = 245,691,169.45/x
  3. Step 3: Cross multiply
    777,479,658.38x = 1,166,212,453.59 × 245,691,169.45
  4. Step 4: Simplify right side
    777,479,658.38x = 286,528,101,543,849,856
  5. Step 5: Solve for x
    x = 286,528,101,543,849,856/777,479,658.38
  6. Step 6: Final answer
    x = 368,534,531.36

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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.