Home / 802,557,137.40-1,107,532,772.52-450,151,961.82

Finding the Fourth Proportional to 802,557,137.40, 1,107,532,772.52 and 450,151,961.82

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Solution

The fourth proportional to 802,557,137.40, 1,107,532,772.52 and 450,151,961.82 is: 621,211,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,557,137.40 : 1,107,532,772.52 = 450,151,961.82 : x
  2. Step 2: Convert to fraction form
    802,557,137.40/1,107,532,772.52 = 450,151,961.82/x
  3. Step 3: Cross multiply
    802,557,137.40x = 1,107,532,772.52 × 450,151,961.82
  4. Step 4: Simplify right side
    802,557,137.40x = 498,558,050,329,821,760
  5. Step 5: Solve for x
    x = 498,558,050,329,821,760/802,557,137.40
  6. Step 6: Final answer
    x = 621,211,907.66

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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.