Home / 3,361,103,691.30-5,038,254,314.55-1,980,207,396.90

Finding the Fourth Proportional to 3,361,103,691.30, 5,038,254,314.55 and 1,980,207,396.90

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Solution

The fourth proportional to 3,361,103,691.30, 5,038,254,314.55 and 1,980,207,396.90 is: 2,968,307,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,103,691.30 : 5,038,254,314.55 = 1,980,207,396.90 : x
  2. Step 2: Convert to fraction form
    3,361,103,691.30/5,038,254,314.55 = 1,980,207,396.90/x
  3. Step 3: Cross multiply
    3,361,103,691.30x = 5,038,254,314.55 × 1,980,207,396.90
  4. Step 4: Simplify right side
    3,361,103,691.30x = 9,976,788,461,135,249,408
  5. Step 5: Solve for x
    x = 9,976,788,461,135,249,408/3,361,103,691.30
  6. Step 6: Final answer
    x = 2,968,307,251.86

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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.