Home / 910,557,005.76-1,366,052,797.44-297,142,372.80

Finding the Fourth Proportional to 910,557,005.76, 1,366,052,797.44 and 297,142,372.80

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Solution

The fourth proportional to 910,557,005.76, 1,366,052,797.44 and 297,142,372.80 is: 445,784,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,557,005.76 : 1,366,052,797.44 = 297,142,372.80 : x
  2. Step 2: Convert to fraction form
    910,557,005.76/1,366,052,797.44 = 297,142,372.80/x
  3. Step 3: Cross multiply
    910,557,005.76x = 1,366,052,797.44 × 297,142,372.80
  4. Step 4: Simplify right side
    910,557,005.76x = 405,912,169,601,399,424
  5. Step 5: Solve for x
    x = 405,912,169,601,399,424/910,557,005.76
  6. Step 6: Final answer
    x = 445,784,467.13

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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.