Home / 18,689,735,700.86-25,791,836,525.08-10,231,559,477.78

Finding the Fourth Proportional to 18,689,735,700.86, 25,791,836,525.08 and 10,231,559,477.78

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Solution

The fourth proportional to 18,689,735,700.86, 25,791,836,525.08 and 10,231,559,477.78 is: 14,119,552,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,735,700.86 : 25,791,836,525.08 = 10,231,559,477.78 : x
  2. Step 2: Convert to fraction form
    18,689,735,700.86/25,791,836,525.08 = 10,231,559,477.78/x
  3. Step 3: Cross multiply
    18,689,735,700.86x = 25,791,836,525.08 × 10,231,559,477.78
  4. Step 4: Simplify right side
    18,689,735,700.86x = 263,890,709,447,374,995,456
  5. Step 5: Solve for x
    x = 263,890,709,447,374,995,456/18,689,735,700.86
  6. Step 6: Final answer
    x = 14,119,552,767.96

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Double scale
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1.5x scale

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.