Home / 399,322,888.67-551,094,102.27-220,702,934.45

Finding the Fourth Proportional to 399,322,888.67, 551,094,102.27 and 220,702,934.45

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Solution

The fourth proportional to 399,322,888.67, 551,094,102.27 and 220,702,934.45 is: 304,585,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,322,888.67 : 551,094,102.27 = 220,702,934.45 : x
  2. Step 2: Convert to fraction form
    399,322,888.67/551,094,102.27 = 220,702,934.45/x
  3. Step 3: Cross multiply
    399,322,888.67x = 551,094,102.27 × 220,702,934.45
  4. Step 4: Simplify right side
    399,322,888.67x = 121,628,085,529,077,392
  5. Step 5: Solve for x
    x = 121,628,085,529,077,392/399,322,888.67
  6. Step 6: Final answer
    x = 304,585,810.08

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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.