Home / 2,099,536,322.40-3,149,304,483.60-1,273,039,279.20

Finding the Fourth Proportional to 2,099,536,322.40, 3,149,304,483.60 and 1,273,039,279.20

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Solution

The fourth proportional to 2,099,536,322.40, 3,149,304,483.60 and 1,273,039,279.20 is: 1,909,558,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,536,322.40 : 3,149,304,483.60 = 1,273,039,279.20 : x
  2. Step 2: Convert to fraction form
    2,099,536,322.40/3,149,304,483.60 = 1,273,039,279.20/x
  3. Step 3: Cross multiply
    2,099,536,322.40x = 3,149,304,483.60 × 1,273,039,279.20
  4. Step 4: Simplify right side
    2,099,536,322.40x = 4,009,188,309,783,472,128
  5. Step 5: Solve for x
    x = 4,009,188,309,783,472,128/2,099,536,322.40
  6. Step 6: Final answer
    x = 1,909,558,918.80

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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.