Home / 21,269,610,841.92-31,875,897,778.56-16,553,627,433.60

Finding the Fourth Proportional to 21,269,610,841.92, 31,875,897,778.56 and 16,553,627,433.60

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Solution

The fourth proportional to 21,269,610,841.92, 31,875,897,778.56 and 16,553,627,433.60 is: 24,808,245,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269,610,841.92 : 31,875,897,778.56 = 16,553,627,433.60 : x
  2. Step 2: Convert to fraction form
    21,269,610,841.92/31,875,897,778.56 = 16,553,627,433.60/x
  3. Step 3: Cross multiply
    21,269,610,841.92x = 31,875,897,778.56 × 16,553,627,433.60
  4. Step 4: Simplify right side
    21,269,610,841.92x = 527,661,735,937,800,142,848
  5. Step 5: Solve for x
    x = 527,661,735,937,800,142,848/21,269,610,841.92
  6. Step 6: Final answer
    x = 24,808,245,898.78

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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.