Home / 2,211,818,199.12-3,317,704,575.15-1,278,547,211.68

Finding the Fourth Proportional to 2,211,818,199.12, 3,317,704,575.15 and 1,278,547,211.68

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Solution

The fourth proportional to 2,211,818,199.12, 3,317,704,575.15 and 1,278,547,211.68 is: 1,917,807,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,818,199.12 : 3,317,704,575.15 = 1,278,547,211.68 : x
  2. Step 2: Convert to fraction form
    2,211,818,199.12/3,317,704,575.15 = 1,278,547,211.68/x
  3. Step 3: Cross multiply
    2,211,818,199.12x = 3,317,704,575.15 × 1,278,547,211.68
  4. Step 4: Simplify right side
    2,211,818,199.12x = 4,241,841,933,739,658,240
  5. Step 5: Solve for x
    x = 4,241,841,933,739,658,240/2,211,818,199.12
  6. Step 6: Final answer
    x = 1,917,807,682.12

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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.