Home / 399,322,886.67-551,094,099.51-220,702,932.45

Finding the Fourth Proportional to 399,322,886.67, 551,094,099.51 and 220,702,932.45

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Solution

The fourth proportional to 399,322,886.67, 551,094,099.51 and 220,702,932.45 is: 304,585,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,322,886.67 : 551,094,099.51 = 220,702,932.45 : x
  2. Step 2: Convert to fraction form
    399,322,886.67/551,094,099.51 = 220,702,932.45/x
  3. Step 3: Cross multiply
    399,322,886.67x = 551,094,099.51 × 220,702,932.45
  4. Step 4: Simplify right side
    399,322,886.67x = 121,628,083,817,749,104
  5. Step 5: Solve for x
    x = 121,628,083,817,749,104/399,322,886.67
  6. Step 6: Final answer
    x = 304,585,807.32

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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.