Home / 393,284,548,464.32-542,726,948,069.64-219,672,158,348.05

Finding the Fourth Proportional to 393,284,548,464.32, 542,726,948,069.64 and 219,672,158,348.05

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Solution

The fourth proportional to 393,284,548,464.32, 542,726,948,069.64 and 219,672,158,348.05 is: 303,144,378,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,284,548,464.32 : 542,726,948,069.64 = 219,672,158,348.05 : x
  2. Step 2: Convert to fraction form
    393,284,548,464.32/542,726,948,069.64 = 219,672,158,348.05/x
  3. Step 3: Cross multiply
    393,284,548,464.32x = 542,726,948,069.64 × 219,672,158,348.05
  4. Step 4: Simplify right side
    393,284,548,464.32x = 119,222,000,076,107,859,099,648
  5. Step 5: Solve for x
    x = 119,222,000,076,107,859,099,648/393,284,548,464.32
  6. Step 6: Final answer
    x = 303,144,378,648.08

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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.