Home / 3,181,662,051.90-4,390,829,715.96-1,771,965,788.73

Finding the Fourth Proportional to 3,181,662,051.90, 4,390,829,715.96 and 1,771,965,788.73

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Solution

The fourth proportional to 3,181,662,051.90, 4,390,829,715.96 and 1,771,965,788.73 is: 2,445,388,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,662,051.90 : 4,390,829,715.96 = 1,771,965,788.73 : x
  2. Step 2: Convert to fraction form
    3,181,662,051.90/4,390,829,715.96 = 1,771,965,788.73/x
  3. Step 3: Cross multiply
    3,181,662,051.90x = 4,390,829,715.96 × 1,771,965,788.73
  4. Step 4: Simplify right side
    3,181,662,051.90x = 7,780,400,040,820,183,040
  5. Step 5: Solve for x
    x = 7,780,400,040,820,183,040/3,181,662,051.90
  6. Step 6: Final answer
    x = 2,445,388,578.02

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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.