Home / 5,460,864,649.08-8,191,660,198.72-1,919,177,742.66

Finding the Fourth Proportional to 5,460,864,649.08, 8,191,660,198.72 and 1,919,177,742.66

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Solution

The fourth proportional to 5,460,864,649.08, 8,191,660,198.72 and 1,919,177,742.66 is: 2,878,894,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460,864,649.08 : 8,191,660,198.72 = 1,919,177,742.66 : x
  2. Step 2: Convert to fraction form
    5,460,864,649.08/8,191,660,198.72 = 1,919,177,742.66/x
  3. Step 3: Cross multiply
    5,460,864,649.08x = 8,191,660,198.72 × 1,919,177,742.66
  4. Step 4: Simplify right side
    5,460,864,649.08x = 15,721,251,928,817,217,536
  5. Step 5: Solve for x
    x = 15,721,251,928,817,217,536/5,460,864,649.08
  6. Step 6: Final answer
    x = 2,878,894,266.58

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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.