Home / 1,621,047,311.58-2,237,047,202.52-878,491,374.33

Finding the Fourth Proportional to 1,621,047,311.58, 2,237,047,202.52 and 878,491,374.33

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Solution

The fourth proportional to 1,621,047,311.58, 2,237,047,202.52 and 878,491,374.33 is: 1,212,319,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,047,311.58 : 2,237,047,202.52 = 878,491,374.33 : x
  2. Step 2: Convert to fraction form
    1,621,047,311.58/2,237,047,202.52 = 878,491,374.33/x
  3. Step 3: Cross multiply
    1,621,047,311.58x = 2,237,047,202.52 × 878,491,374.33
  4. Step 4: Simplify right side
    1,621,047,311.58x = 1,965,226,671,382,876,672
  5. Step 5: Solve for x
    x = 1,965,226,671,382,876,672/1,621,047,311.58
  6. Step 6: Final answer
    x = 1,212,319,133.03

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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.