Home / 2,808,343,633.61-3,873,648,134.05-1,806,028,418.93

Finding the Fourth Proportional to 2,808,343,633.61, 3,873,648,134.05 and 1,806,028,418.93

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Solution

The fourth proportional to 2,808,343,633.61, 3,873,648,134.05 and 1,806,028,418.93 is: 2,491,119,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,343,633.61 : 3,873,648,134.05 = 1,806,028,418.93 : x
  2. Step 2: Convert to fraction form
    2,808,343,633.61/3,873,648,134.05 = 1,806,028,418.93/x
  3. Step 3: Cross multiply
    2,808,343,633.61x = 3,873,648,134.05 × 1,806,028,418.93
  4. Step 4: Simplify right side
    2,808,343,633.61x = 6,995,918,615,034,635,264
  5. Step 5: Solve for x
    x = 6,995,918,615,034,635,264/2,808,343,633.61
  6. Step 6: Final answer
    x = 2,491,119,153.40

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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.