Home / 1,003,962,032.30-1,385,501,247.87-557,944,196.06

Finding the Fourth Proportional to 1,003,962,032.30, 1,385,501,247.87 and 557,944,196.06

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Solution

The fourth proportional to 1,003,962,032.30, 1,385,501,247.87 and 557,944,196.06 is: 769,981,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,962,032.30 : 1,385,501,247.87 = 557,944,196.06 : x
  2. Step 2: Convert to fraction form
    1,003,962,032.30/1,385,501,247.87 = 557,944,196.06/x
  3. Step 3: Cross multiply
    1,003,962,032.30x = 1,385,501,247.87 × 557,944,196.06
  4. Step 4: Simplify right side
    1,003,962,032.30x = 773,032,379,882,953,856
  5. Step 5: Solve for x
    x = 773,032,379,882,953,856/1,003,962,032.30
  6. Step 6: Final answer
    x = 769,981,687.57

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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.