Home / 20,301,317,788.40-30,439,565,226.34-9,680,790,426.98

Finding the Fourth Proportional to 20,301,317,788.40, 30,439,565,226.34 and 9,680,790,426.98

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Solution

The fourth proportional to 20,301,317,788.40, 30,439,565,226.34 and 9,680,790,426.98 is: 14,515,267,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,317,788.40 : 30,439,565,226.34 = 9,680,790,426.98 : x
  2. Step 2: Convert to fraction form
    20,301,317,788.40/30,439,565,226.34 = 9,680,790,426.98/x
  3. Step 3: Cross multiply
    20,301,317,788.40x = 30,439,565,226.34 × 9,680,790,426.98
  4. Step 4: Simplify right side
    20,301,317,788.40x = 294,679,051,644,632,629,248
  5. Step 5: Solve for x
    x = 294,679,051,644,632,629,248/20,301,317,788.40
  6. Step 6: Final answer
    x = 14,515,267,172.12

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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.