Home / 285,667,575,311.18-394,221,318,277.26-157,209,023,928.32

Finding the Fourth Proportional to 285,667,575,311.18, 394,221,318,277.26 and 157,209,023,928.32

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Solution

The fourth proportional to 285,667,575,311.18, 394,221,318,277.26 and 157,209,023,928.32 is: 216,948,488,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,667,575,311.18 : 394,221,318,277.26 = 157,209,023,928.32 : x
  2. Step 2: Convert to fraction form
    285,667,575,311.18/394,221,318,277.26 = 157,209,023,928.32/x
  3. Step 3: Cross multiply
    285,667,575,311.18x = 394,221,318,277.26 × 157,209,023,928.32
  4. Step 4: Simplify right side
    285,667,575,311.18x = 61,975,148,658,103,624,400,896
  5. Step 5: Solve for x
    x = 61,975,148,658,103,624,400,896/285,667,575,311.18
  6. Step 6: Final answer
    x = 216,948,488,433.08

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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.