Home / 424,220,822.32-635,918,542.32-202,834,631.38

Finding the Fourth Proportional to 424,220,822.32, 635,918,542.32 and 202,834,631.38

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Solution

The fourth proportional to 424,220,822.32, 635,918,542.32 and 202,834,631.38 is: 304,054,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,220,822.32 : 635,918,542.32 = 202,834,631.38 : x
  2. Step 2: Convert to fraction form
    424,220,822.32/635,918,542.32 = 202,834,631.38/x
  3. Step 3: Cross multiply
    424,220,822.32x = 635,918,542.32 × 202,834,631.38
  4. Step 4: Simplify right side
    424,220,822.32x = 128,986,303,119,184,144
  5. Step 5: Solve for x
    x = 128,986,303,119,184,144/424,220,822.32
  6. Step 6: Final answer
    x = 304,054,625.17

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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.