Home / 45,163,663,364.28-67,753,213,068.64-18,619,669,629.12

Finding the Fourth Proportional to 45,163,663,364.28, 67,753,213,068.64 and 18,619,669,629.12

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Solution

The fourth proportional to 45,163,663,364.28, 67,753,213,068.64 and 18,619,669,629.12 is: 27,932,686,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163,663,364.28 : 67,753,213,068.64 = 18,619,669,629.12 : x
  2. Step 2: Convert to fraction form
    45,163,663,364.28/67,753,213,068.64 = 18,619,669,629.12/x
  3. Step 3: Cross multiply
    45,163,663,364.28x = 67,753,213,068.64 × 18,619,669,629.12
  4. Step 4: Simplify right side
    45,163,663,364.28x = 1,261,542,443,649,452,474,368
  5. Step 5: Solve for x
    x = 1,261,542,443,649,452,474,368/45,163,663,364.28
  6. Step 6: Final answer
    x = 27,932,686,360.58

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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.