Home / 387,475,826,700.76-581,510,395,731.82-175,388,899,797.72

Finding the Fourth Proportional to 387,475,826,700.76, 581,510,395,731.82 and 175,388,899,797.72

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Solution

The fourth proportional to 387,475,826,700.76, 581,510,395,731.82 and 175,388,899,797.72 is: 263,217,629,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,475,826,700.76 : 581,510,395,731.82 = 175,388,899,797.72 : x
  2. Step 2: Convert to fraction form
    387,475,826,700.76/581,510,395,731.82 = 175,388,899,797.72/x
  3. Step 3: Cross multiply
    387,475,826,700.76x = 581,510,395,731.82 × 175,388,899,797.72
  4. Step 4: Simplify right side
    387,475,826,700.76x = 101,990,468,528,340,675,330,048
  5. Step 5: Solve for x
    x = 101,990,468,528,340,675,330,048/387,475,826,700.76
  6. Step 6: Final answer
    x = 263,217,629,333.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.