Home / 3,995,519,889,840.40-5,512,872,415,101.40-2,261,329,445,536.80

Finding the Fourth Proportional to 3,995,519,889,840.40, 5,512,872,415,101.40 and 2,261,329,445,536.80

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Solution

The fourth proportional to 3,995,519,889,840.40, 5,512,872,415,101.40 and 2,261,329,445,536.80 is: 3,120,099,778,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,519,889,840.40 : 5,512,872,415,101.40 = 2,261,329,445,536.80 : x
  2. Step 2: Convert to fraction form
    3,995,519,889,840.40/5,512,872,415,101.40 = 2,261,329,445,536.80/x
  3. Step 3: Cross multiply
    3,995,519,889,840.40x = 5,512,872,415,101.40 × 2,261,329,445,536.80
  4. Step 4: Simplify right side
    3,995,519,889,840.40x = 12,466,420,721,756,367,390,507,008
  5. Step 5: Solve for x
    x = 12,466,420,721,756,367,390,507,008/3,995,519,889,840.40
  6. Step 6: Final answer
    x = 3,120,099,778,117.82

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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.