Home / 9,965,644,228.60-13,746,108,985.79-6,391,690,217.57

Finding the Fourth Proportional to 9,965,644,228.60, 13,746,108,985.79 and 6,391,690,217.57

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Solution

The fourth proportional to 9,965,644,228.60, 13,746,108,985.79 and 6,391,690,217.57 is: 8,816,376,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,644,228.60 : 13,746,108,985.79 = 6,391,690,217.57 : x
  2. Step 2: Convert to fraction form
    9,965,644,228.60/13,746,108,985.79 = 6,391,690,217.57/x
  3. Step 3: Cross multiply
    9,965,644,228.60x = 13,746,108,985.79 × 6,391,690,217.57
  4. Step 4: Simplify right side
    9,965,644,228.60x = 87,860,870,334,125,015,040
  5. Step 5: Solve for x
    x = 87,860,870,334,125,015,040/9,965,644,228.60
  6. Step 6: Final answer
    x = 8,816,376,374.54

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Double scale
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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.