Home / 1,068,331,005.77-1,474,378,576.91-672,193,555.76

Finding the Fourth Proportional to 1,068,331,005.77, 1,474,378,576.91 and 672,193,555.76

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Solution

The fourth proportional to 1,068,331,005.77, 1,474,378,576.91 and 672,193,555.76 is: 927,678,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,331,005.77 : 1,474,378,576.91 = 672,193,555.76 : x
  2. Step 2: Convert to fraction form
    1,068,331,005.77/1,474,378,576.91 = 672,193,555.76/x
  3. Step 3: Cross multiply
    1,068,331,005.77x = 1,474,378,576.91 × 672,193,555.76
  4. Step 4: Simplify right side
    1,068,331,005.77x = 991,067,778,138,768,640
  5. Step 5: Solve for x
    x = 991,067,778,138,768,640/1,068,331,005.77
  6. Step 6: Final answer
    x = 927,678,568.52

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1.5x scale

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.