Home / 1,321,462,573.38-1,981,769,497.83-435,948,878.34

Finding the Fourth Proportional to 1,321,462,573.38, 1,981,769,497.83 and 435,948,878.34

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Solution

The fourth proportional to 1,321,462,573.38, 1,981,769,497.83 and 435,948,878.34 is: 653,783,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,462,573.38 : 1,981,769,497.83 = 435,948,878.34 : x
  2. Step 2: Convert to fraction form
    1,321,462,573.38/1,981,769,497.83 = 435,948,878.34/x
  3. Step 3: Cross multiply
    1,321,462,573.38x = 1,981,769,497.83 × 435,948,878.34
  4. Step 4: Simplify right side
    1,321,462,573.38x = 863,950,189,707,413,504
  5. Step 5: Solve for x
    x = 863,950,189,707,413,504/1,321,462,573.38
  6. Step 6: Final answer
    x = 653,783,320.93

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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.