Home / 376,736,977.38-519,780,182.61-219,991,013.22

Finding the Fourth Proportional to 376,736,977.38, 519,780,182.61 and 219,991,013.22

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Solution

The fourth proportional to 376,736,977.38, 519,780,182.61 and 219,991,013.22 is: 303,519,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,736,977.38 : 519,780,182.61 = 219,991,013.22 : x
  2. Step 2: Convert to fraction form
    376,736,977.38/519,780,182.61 = 219,991,013.22/x
  3. Step 3: Cross multiply
    376,736,977.38x = 519,780,182.61 × 219,991,013.22
  4. Step 4: Simplify right side
    376,736,977.38x = 114,346,969,024,050,528
  5. Step 5: Solve for x
    x = 114,346,969,024,050,528/376,736,977.38
  6. Step 6: Final answer
    x = 303,519,367.33

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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.