Home / 3,491,132,388.80-4,817,864,740.02-1,905,326,123.28

Finding the Fourth Proportional to 3,491,132,388.80, 4,817,864,740.02 and 1,905,326,123.28

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Solution

The fourth proportional to 3,491,132,388.80, 4,817,864,740.02 and 1,905,326,123.28 is: 2,629,405,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,132,388.80 : 4,817,864,740.02 = 1,905,326,123.28 : x
  2. Step 2: Convert to fraction form
    3,491,132,388.80/4,817,864,740.02 = 1,905,326,123.28/x
  3. Step 3: Cross multiply
    3,491,132,388.80x = 4,817,864,740.02 × 1,905,326,123.28
  4. Step 4: Simplify right side
    3,491,132,388.80x = 9,179,603,547,589,712,896
  5. Step 5: Solve for x
    x = 9,179,603,547,589,712,896/3,491,132,388.80
  6. Step 6: Final answer
    x = 2,629,405,741.54

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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.