Home / 618,919,500.81-854,113,414.44-336,664,378.68

Finding the Fourth Proportional to 618,919,500.81, 854,113,414.44 and 336,664,378.68

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Solution

The fourth proportional to 618,919,500.81, 854,113,414.44 and 336,664,378.68 is: 464,599,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,919,500.81 : 854,113,414.44 = 336,664,378.68 : x
  2. Step 2: Convert to fraction form
    618,919,500.81/854,113,414.44 = 336,664,378.68/x
  3. Step 3: Cross multiply
    618,919,500.81x = 854,113,414.44 × 336,664,378.68
  4. Step 4: Simplify right side
    618,919,500.81x = 287,549,561,994,695,968
  5. Step 5: Solve for x
    x = 287,549,561,994,695,968/618,919,500.81
  6. Step 6: Final answer
    x = 464,599,292.18

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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.