Home / 499,195,010.84-688,884,007.22-276,178,288.54

Finding the Fourth Proportional to 499,195,010.84, 688,884,007.22 and 276,178,288.54

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Solution

The fourth proportional to 499,195,010.84, 688,884,007.22 and 276,178,288.54 is: 381,123,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,195,010.84 : 688,884,007.22 = 276,178,288.54 : x
  2. Step 2: Convert to fraction form
    499,195,010.84/688,884,007.22 = 276,178,288.54/x
  3. Step 3: Cross multiply
    499,195,010.84x = 688,884,007.22 × 276,178,288.54
  4. Step 4: Simplify right side
    499,195,010.84x = 190,254,806,116,596,640
  5. Step 5: Solve for x
    x = 190,254,806,116,596,640/499,195,010.84
  6. Step 6: Final answer
    x = 381,123,212.34

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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.