Home / 499,161,967,429.14-688,785,401,806.92-279,442,691,037.98

Finding the Fourth Proportional to 499,161,967,429.14, 688,785,401,806.92 and 279,442,691,037.98

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Solution

The fourth proportional to 499,161,967,429.14, 688,785,401,806.92 and 279,442,691,037.98 is: 385,598,380,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,161,967,429.14 : 688,785,401,806.92 = 279,442,691,037.98 : x
  2. Step 2: Convert to fraction form
    499,161,967,429.14/688,785,401,806.92 = 279,442,691,037.98/x
  3. Step 3: Cross multiply
    499,161,967,429.14x = 688,785,401,806.92 × 279,442,691,037.98
  4. Step 4: Simplify right side
    499,161,967,429.14x = 192,476,046,228,602,056,867,840
  5. Step 5: Solve for x
    x = 192,476,046,228,602,056,867,840/499,161,967,429.14
  6. Step 6: Final answer
    x = 385,598,380,461.40

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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.