Home / 465,241,616.56-642,033,531.98-253,548,497.34

Finding the Fourth Proportional to 465,241,616.56, 642,033,531.98 and 253,548,497.34

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Solution

The fourth proportional to 465,241,616.56, 642,033,531.98 and 253,548,497.34 is: 349,896,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,241,616.56 : 642,033,531.98 = 253,548,497.34 : x
  2. Step 2: Convert to fraction form
    465,241,616.56/642,033,531.98 = 253,548,497.34/x
  3. Step 3: Cross multiply
    465,241,616.56x = 642,033,531.98 × 253,548,497.34
  4. Step 4: Simplify right side
    465,241,616.56x = 162,786,637,272,586,976
  5. Step 5: Solve for x
    x = 162,786,637,272,586,976/465,241,616.56
  6. Step 6: Final answer
    x = 349,896,981.43

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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.