Home / 20,687,616,109.90-31,031,424,164.86-20,687,616,109.90

Finding the Fourth Proportional to 20,687,616,109.90, 31,031,424,164.86 and 20,687,616,109.90

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Solution

The fourth proportional to 20,687,616,109.90, 31,031,424,164.86 and 20,687,616,109.90 is: 31,031,424,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,616,109.90 : 31,031,424,164.86 = 20,687,616,109.90 : x
  2. Step 2: Convert to fraction form
    20,687,616,109.90/31,031,424,164.86 = 20,687,616,109.90/x
  3. Step 3: Cross multiply
    20,687,616,109.90x = 31,031,424,164.86 × 20,687,616,109.90
  4. Step 4: Simplify right side
    20,687,616,109.90x = 641,966,190,466,098,003,968
  5. Step 5: Solve for x
    x = 641,966,190,466,098,003,968/20,687,616,109.90
  6. Step 6: Final answer
    x = 31,031,424,164.86

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1.5x scale

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.