Home / 286,887,813,604.22-395,905,333,067.81-156,678,450,754.89

Finding the Fourth Proportional to 286,887,813,604.22, 395,905,333,067.81 and 156,678,450,754.89

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Solution

The fourth proportional to 286,887,813,604.22, 395,905,333,067.81 and 156,678,450,754.89 is: 216,216,344,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,887,813,604.22 : 395,905,333,067.81 = 156,678,450,754.89 : x
  2. Step 2: Convert to fraction form
    286,887,813,604.22/395,905,333,067.81 = 156,678,450,754.89/x
  3. Step 3: Cross multiply
    286,887,813,604.22x = 395,905,333,067.81 × 156,678,450,754.89
  4. Step 4: Simplify right side
    286,887,813,604.22x = 62,029,834,230,663,194,083,328
  5. Step 5: Solve for x
    x = 62,029,834,230,663,194,083,328/286,887,813,604.22
  6. Step 6: Final answer
    x = 216,216,344,122.02

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1.5x scale

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.