Home / 777,412,725.40-1,067,118,936.10-687,333,475.90

Finding the Fourth Proportional to 777,412,725.40, 1,067,118,936.10 and 687,333,475.90

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Solution

The fourth proportional to 777,412,725.40, 1,067,118,936.10 and 687,333,475.90 is: 943,471,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,412,725.40 : 1,067,118,936.10 = 687,333,475.90 : x
  2. Step 2: Convert to fraction form
    777,412,725.40/1,067,118,936.10 = 687,333,475.90/x
  3. Step 3: Cross multiply
    777,412,725.40x = 1,067,118,936.10 × 687,333,475.90
  4. Step 4: Simplify right side
    777,412,725.40x = 733,466,567,544,886,272
  5. Step 5: Solve for x
    x = 733,466,567,544,886,272/777,412,725.40
  6. Step 6: Final answer
    x = 943,471,265.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.