Home / 2,486,410,106.55-3,431,228,491.89-1,357,379,869.76

Finding the Fourth Proportional to 2,486,410,106.55, 3,431,228,491.89 and 1,357,379,869.76

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Solution

The fourth proportional to 2,486,410,106.55, 3,431,228,491.89 and 1,357,379,869.76 is: 1,873,174,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,410,106.55 : 3,431,228,491.89 = 1,357,379,869.76 : x
  2. Step 2: Convert to fraction form
    2,486,410,106.55/3,431,228,491.89 = 1,357,379,869.76/x
  3. Step 3: Cross multiply
    2,486,410,106.55x = 3,431,228,491.89 × 1,357,379,869.76
  4. Step 4: Simplify right side
    2,486,410,106.55x = 4,657,480,483,421,293,568
  5. Step 5: Solve for x
    x = 4,657,480,483,421,293,568/2,486,410,106.55
  6. Step 6: Final answer
    x = 1,873,174,691.15

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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.