Home / 2,808,343,634.61-3,873,648,135.43-1,806,028,419.93

Finding the Fourth Proportional to 2,808,343,634.61, 3,873,648,135.43 and 1,806,028,419.93

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Solution

The fourth proportional to 2,808,343,634.61, 3,873,648,135.43 and 1,806,028,419.93 is: 2,491,119,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,343,634.61 : 3,873,648,135.43 = 1,806,028,419.93 : x
  2. Step 2: Convert to fraction form
    2,808,343,634.61/3,873,648,135.43 = 1,806,028,419.93/x
  3. Step 3: Cross multiply
    2,808,343,634.61x = 3,873,648,135.43 × 1,806,028,419.93
  4. Step 4: Simplify right side
    2,808,343,634.61x = 6,995,918,621,395,433,472
  5. Step 5: Solve for x
    x = 6,995,918,621,395,433,472/2,808,343,634.61
  6. Step 6: Final answer
    x = 2,491,119,154.78

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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.