Home / 498,843,721.26-688,390,092.72-275,821,553.16

Finding the Fourth Proportional to 498,843,721.26, 688,390,092.72 and 275,821,553.16

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Solution

The fourth proportional to 498,843,721.26, 688,390,092.72 and 275,821,553.16 is: 380,625,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,843,721.26 : 688,390,092.72 = 275,821,553.16 : x
  2. Step 2: Convert to fraction form
    498,843,721.26/688,390,092.72 = 275,821,553.16/x
  3. Step 3: Cross multiply
    498,843,721.26x = 688,390,092.72 × 275,821,553.16
  4. Step 4: Simplify right side
    498,843,721.26x = 189,872,824,553,986,848
  5. Step 5: Solve for x
    x = 189,872,824,553,986,848/498,843,721.26
  6. Step 6: Final answer
    x = 380,625,868.31

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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.