Home / 363,218,748.66-501,252,461.82-198,216,946.98

Finding the Fourth Proportional to 363,218,748.66, 501,252,461.82 and 198,216,946.98

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Solution

The fourth proportional to 363,218,748.66, 501,252,461.82 and 198,216,946.98 is: 273,545,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,218,748.66 : 501,252,461.82 = 198,216,946.98 : x
  2. Step 2: Convert to fraction form
    363,218,748.66/501,252,461.82 = 198,216,946.98/x
  3. Step 3: Cross multiply
    363,218,748.66x = 501,252,461.82 × 198,216,946.98
  4. Step 4: Simplify right side
    363,218,748.66x = 99,356,732,648,169,408
  5. Step 5: Solve for x
    x = 99,356,732,648,169,408/363,218,748.66
  6. Step 6: Final answer
    x = 273,545,165.32

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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.