Home / 279,632,551.68-386,058,264.40-248,606,877.60

Finding the Fourth Proportional to 279,632,551.68, 386,058,264.40 and 248,606,877.60

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Solution

The fourth proportional to 279,632,551.68, 386,058,264.40 and 248,606,877.60 is: 343,224,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,632,551.68 : 386,058,264.40 = 248,606,877.60 : x
  2. Step 2: Convert to fraction form
    279,632,551.68/386,058,264.40 = 248,606,877.60/x
  3. Step 3: Cross multiply
    279,632,551.68x = 386,058,264.40 × 248,606,877.60
  4. Step 4: Simplify right side
    279,632,551.68x = 95,976,739,684,159,232
  5. Step 5: Solve for x
    x = 95,976,739,684,159,232/279,632,551.68
  6. Step 6: Final answer
    x = 343,224,489.09

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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.