Home / 3,408,164,198.44-4,702,908,298.62-1,978,955,931.40

Finding the Fourth Proportional to 3,408,164,198.44, 4,702,908,298.62 and 1,978,955,931.40

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Solution

The fourth proportional to 3,408,164,198.44, 4,702,908,298.62 and 1,978,955,931.40 is: 2,730,751,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,164,198.44 : 4,702,908,298.62 = 1,978,955,931.40 : x
  2. Step 2: Convert to fraction form
    3,408,164,198.44/4,702,908,298.62 = 1,978,955,931.40/x
  3. Step 3: Cross multiply
    3,408,164,198.44x = 4,702,908,298.62 × 1,978,955,931.40
  4. Step 4: Simplify right side
    3,408,164,198.44x = 9,306,848,272,384,331,776
  5. Step 5: Solve for x
    x = 9,306,848,272,384,331,776/3,408,164,198.44
  6. Step 6: Final answer
    x = 2,730,751,140.64

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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.