Home / 499,195,006.83-688,884,001.71-276,178,284.54

Finding the Fourth Proportional to 499,195,006.83, 688,884,001.71 and 276,178,284.54

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Solution

The fourth proportional to 499,195,006.83, 688,884,001.71 and 276,178,284.54 is: 381,123,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,195,006.83 : 688,884,001.71 = 276,178,284.54 : x
  2. Step 2: Convert to fraction form
    499,195,006.83/688,884,001.71 = 276,178,284.54/x
  3. Step 3: Cross multiply
    499,195,006.83x = 688,884,001.71 × 276,178,284.54
  4. Step 4: Simplify right side
    499,195,006.83x = 190,254,801,839,318,240
  5. Step 5: Solve for x
    x = 190,254,801,839,318,240/499,195,006.83
  6. Step 6: Final answer
    x = 381,123,206.84

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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.