Home / 526,449,693,514.86-789,123,392,905.32-220,314,871,983.96

Finding the Fourth Proportional to 526,449,693,514.86, 789,123,392,905.32 and 220,314,871,983.96

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Solution

The fourth proportional to 526,449,693,514.86, 789,123,392,905.32 and 220,314,871,983.96 is: 330,241,657,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,449,693,514.86 : 789,123,392,905.32 = 220,314,871,983.96 : x
  2. Step 2: Convert to fraction form
    526,449,693,514.86/789,123,392,905.32 = 220,314,871,983.96/x
  3. Step 3: Cross multiply
    526,449,693,514.86x = 789,123,392,905.32 × 220,314,871,983.96
  4. Step 4: Simplify right side
    526,449,693,514.86x = 173,855,619,287,483,718,565,888
  5. Step 5: Solve for x
    x = 173,855,619,287,483,718,565,888/526,449,693,514.86
  6. Step 6: Final answer
    x = 330,241,657,330.51

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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.