Home / 399,322,883.67-551,094,095.37-220,702,929.45

Finding the Fourth Proportional to 399,322,883.67, 551,094,095.37 and 220,702,929.45

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Solution

The fourth proportional to 399,322,883.67, 551,094,095.37 and 220,702,929.45 is: 304,585,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,322,883.67 : 551,094,095.37 = 220,702,929.45 : x
  2. Step 2: Convert to fraction form
    399,322,883.67/551,094,095.37 = 220,702,929.45/x
  3. Step 3: Cross multiply
    399,322,883.67x = 551,094,095.37 × 220,702,929.45
  4. Step 4: Simplify right side
    399,322,883.67x = 121,628,081,250,756,672
  5. Step 5: Solve for x
    x = 121,628,081,250,756,672/399,322,883.67
  6. Step 6: Final answer
    x = 304,585,803.18

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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.