Home / 1,394,501,640.19-2,092,028,256.02-398,531,605.03

Finding the Fourth Proportional to 1,394,501,640.19, 2,092,028,256.02 and 398,531,605.03

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Solution

The fourth proportional to 1,394,501,640.19, 2,092,028,256.02 and 398,531,605.03 is: 597,876,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,501,640.19 : 2,092,028,256.02 = 398,531,605.03 : x
  2. Step 2: Convert to fraction form
    1,394,501,640.19/2,092,028,256.02 = 398,531,605.03/x
  3. Step 3: Cross multiply
    1,394,501,640.19x = 2,092,028,256.02 × 398,531,605.03
  4. Step 4: Simplify right side
    1,394,501,640.19x = 833,739,378,635,528,576
  5. Step 5: Solve for x
    x = 833,739,378,635,528,576/1,394,501,640.19
  6. Step 6: Final answer
    x = 597,876,226.61

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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.