Home / 27,662,540,128.78-38,174,318,149.82-14,975,275,794.67

Finding the Fourth Proportional to 27,662,540,128.78, 38,174,318,149.82 and 14,975,275,794.67

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Solution

The fourth proportional to 27,662,540,128.78, 38,174,318,149.82 and 14,975,275,794.67 is: 20,665,887,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662,540,128.78 : 38,174,318,149.82 = 14,975,275,794.67 : x
  2. Step 2: Convert to fraction form
    27,662,540,128.78/38,174,318,149.82 = 14,975,275,794.67/x
  3. Step 3: Cross multiply
    27,662,540,128.78x = 38,174,318,149.82 × 14,975,275,794.67
  4. Step 4: Simplify right side
    27,662,540,128.78x = 571,670,942,567,031,111,680
  5. Step 5: Solve for x
    x = 571,670,942,567,031,111,680/27,662,540,128.78
  6. Step 6: Final answer
    x = 20,665,887,510.90

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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.