Home / 538,178,793.60-807,268,190.40-292,653,051.60

Finding the Fourth Proportional to 538,178,793.60, 807,268,190.40 and 292,653,051.60

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Solution

The fourth proportional to 538,178,793.60, 807,268,190.40 and 292,653,051.60 is: 438,979,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,178,793.60 : 807,268,190.40 = 292,653,051.60 : x
  2. Step 2: Convert to fraction form
    538,178,793.60/807,268,190.40 = 292,653,051.60/x
  3. Step 3: Cross multiply
    538,178,793.60x = 807,268,190.40 × 292,653,051.60
  4. Step 4: Simplify right side
    538,178,793.60x = 236,249,499,380,169,824
  5. Step 5: Solve for x
    x = 236,249,499,380,169,824/538,178,793.60
  6. Step 6: Final answer
    x = 438,979,577.40

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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.