Home / 49,818,756,297.55-68,749,838,921.62-28,121,466,771.21

Finding the Fourth Proportional to 49,818,756,297.55, 68,749,838,921.62 and 28,121,466,771.21

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Solution

The fourth proportional to 49,818,756,297.55, 68,749,838,921.62 and 28,121,466,771.21 is: 38,807,598,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,818,756,297.55 : 68,749,838,921.62 = 28,121,466,771.21 : x
  2. Step 2: Convert to fraction form
    49,818,756,297.55/68,749,838,921.62 = 28,121,466,771.21/x
  3. Step 3: Cross multiply
    49,818,756,297.55x = 68,749,838,921.62 × 28,121,466,771.21
  4. Step 4: Simplify right side
    49,818,756,297.55x = 1,933,346,310,760,764,014,592
  5. Step 5: Solve for x
    x = 1,933,346,310,760,764,014,592/49,818,756,297.55
  6. Step 6: Final answer
    x = 38,807,598,873.28

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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.