Home / 3,147,335,655-4,343,704,064.78-1,791,299,257.72

Finding the Fourth Proportional to 3,147,335,655, 4,343,704,064.78 and 1,791,299,257.72

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Solution

The fourth proportional to 3,147,335,655, 4,343,704,064.78 and 1,791,299,257.72 is: 2,472,209,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,335,655 : 4,343,704,064.78 = 1,791,299,257.72 : x
  2. Step 2: Convert to fraction form
    3,147,335,655/4,343,704,064.78 = 1,791,299,257.72/x
  3. Step 3: Cross multiply
    3,147,335,655x = 4,343,704,064.78 × 1,791,299,257.72
  4. Step 4: Simplify right side
    3,147,335,655x = 7,780,873,866,995,760,128
  5. Step 5: Solve for x
    x = 7,780,873,866,995,760,128/3,147,335,655
  6. Step 6: Final answer
    x = 2,472,209,741.80

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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.