Home / 554,447,026.73-765,142,943.51-306,932,514.41

Finding the Fourth Proportional to 554,447,026.73, 765,142,943.51 and 306,932,514.41

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Solution

The fourth proportional to 554,447,026.73, 765,142,943.51 and 306,932,514.41 is: 423,570,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,026.73 : 765,142,943.51 = 306,932,514.41 : x
  2. Step 2: Convert to fraction form
    554,447,026.73/765,142,943.51 = 306,932,514.41/x
  3. Step 3: Cross multiply
    554,447,026.73x = 765,142,943.51 × 306,932,514.41
  4. Step 4: Simplify right side
    554,447,026.73x = 234,847,247,534,592,896
  5. Step 5: Solve for x
    x = 234,847,247,534,592,896/554,447,026.73
  6. Step 6: Final answer
    x = 423,570,217.19

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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.