Home / 45,163,663,356.28-67,753,213,056.64-18,619,669,621.12

Finding the Fourth Proportional to 45,163,663,356.28, 67,753,213,056.64 and 18,619,669,621.12

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Solution

The fourth proportional to 45,163,663,356.28, 67,753,213,056.64 and 18,619,669,621.12 is: 27,932,686,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163,663,356.28 : 67,753,213,056.64 = 18,619,669,621.12 : x
  2. Step 2: Convert to fraction form
    45,163,663,356.28/67,753,213,056.64 = 18,619,669,621.12/x
  3. Step 3: Cross multiply
    45,163,663,356.28x = 67,753,213,056.64 × 18,619,669,621.12
  4. Step 4: Simplify right side
    45,163,663,356.28x = 1,261,542,442,883,990,683,648
  5. Step 5: Solve for x
    x = 1,261,542,442,883,990,683,648/45,163,663,356.28
  6. Step 6: Final answer
    x = 27,932,686,348.58

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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.