Home / 21,888,672,960.45-30,206,413,195.68-11,864,174,598.21

Finding the Fourth Proportional to 21,888,672,960.45, 30,206,413,195.68 and 11,864,174,598.21

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Solution

The fourth proportional to 21,888,672,960.45, 30,206,413,195.68 and 11,864,174,598.21 is: 16,372,585,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,672,960.45 : 30,206,413,195.68 = 11,864,174,598.21 : x
  2. Step 2: Convert to fraction form
    21,888,672,960.45/30,206,413,195.68 = 11,864,174,598.21/x
  3. Step 3: Cross multiply
    21,888,672,960.45x = 30,206,413,195.68 × 11,864,174,598.21
  4. Step 4: Simplify right side
    21,888,672,960.45x = 358,374,160,139,221,991,424
  5. Step 5: Solve for x
    x = 358,374,160,139,221,991,424/21,888,672,960.45
  6. Step 6: Final answer
    x = 16,372,585,071.14

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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.