Home / 499,195,033.92-688,884,039-276,178,311.48

Finding the Fourth Proportional to 499,195,033.92, 688,884,039 and 276,178,311.48

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Solution

The fourth proportional to 499,195,033.92, 688,884,039 and 276,178,311.48 is: 381,123,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,195,033.92 : 688,884,039 = 276,178,311.48 : x
  2. Step 2: Convert to fraction form
    499,195,033.92/688,884,039 = 276,178,311.48/x
  3. Step 3: Cross multiply
    499,195,033.92x = 688,884,039 × 276,178,311.48
  4. Step 4: Simplify right side
    499,195,033.92x = 190,254,830,696,542,496
  5. Step 5: Solve for x
    x = 190,254,830,696,542,496/499,195,033.92
  6. Step 6: Final answer
    x = 381,123,243.96

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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.