Home / 280,326,323,286.60-420,489,489,787.80-68,089,025,658.24

Finding the Fourth Proportional to 280,326,323,286.60, 420,489,489,787.80 and 68,089,025,658.24

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Solution

The fourth proportional to 280,326,323,286.60, 420,489,489,787.80 and 68,089,025,658.24 is: 102,133,539,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,326,323,286.60 : 420,489,489,787.80 = 68,089,025,658.24 : x
  2. Step 2: Convert to fraction form
    280,326,323,286.60/420,489,489,787.80 = 68,089,025,658.24/x
  3. Step 3: Cross multiply
    280,326,323,286.60x = 420,489,489,787.80 × 68,089,025,658.24
  4. Step 4: Simplify right side
    280,326,323,286.60x = 28,630,719,659,181,760,053,248
  5. Step 5: Solve for x
    x = 28,630,719,659,181,760,053,248/280,326,323,286.60
  6. Step 6: Final answer
    x = 102,133,539,667.31

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1.5x scale

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.