Home / 364,981,973.49-503,672,967.18-197,721,423.63

Finding the Fourth Proportional to 364,981,973.49, 503,672,967.18 and 197,721,423.63

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Solution

The fourth proportional to 364,981,973.49, 503,672,967.18 and 197,721,423.63 is: 272,854,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,981,973.49 : 503,672,967.18 = 197,721,423.63 : x
  2. Step 2: Convert to fraction form
    364,981,973.49/503,672,967.18 = 197,721,423.63/x
  3. Step 3: Cross multiply
    364,981,973.49x = 503,672,967.18 × 197,721,423.63
  4. Step 4: Simplify right side
    364,981,973.49x = 99,586,936,114,775,872
  5. Step 5: Solve for x
    x = 99,586,936,114,775,872/364,981,973.49
  6. Step 6: Final answer
    x = 272,854,396.51

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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.