Home / 284,039,971.20-426,059,956.80-226,644,343.20

Finding the Fourth Proportional to 284,039,971.20, 426,059,956.80 and 226,644,343.20

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Solution

The fourth proportional to 284,039,971.20, 426,059,956.80 and 226,644,343.20 is: 339,966,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,039,971.20 : 426,059,956.80 = 226,644,343.20 : x
  2. Step 2: Convert to fraction form
    284,039,971.20/426,059,956.80 = 226,644,343.20/x
  3. Step 3: Cross multiply
    284,039,971.20x = 426,059,956.80 × 226,644,343.20
  4. Step 4: Simplify right side
    284,039,971.20x = 96,564,079,072,756,368
  5. Step 5: Solve for x
    x = 96,564,079,072,756,368/284,039,971.20
  6. Step 6: Final answer
    x = 339,966,514.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.