Home / 387,475,826,706.76-581,510,395,740.82-175,388,899,803.72

Finding the Fourth Proportional to 387,475,826,706.76, 581,510,395,740.82 and 175,388,899,803.72

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Solution

The fourth proportional to 387,475,826,706.76, 581,510,395,740.82 and 175,388,899,803.72 is: 263,217,629,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,475,826,706.76 : 581,510,395,740.82 = 175,388,899,803.72 : x
  2. Step 2: Convert to fraction form
    387,475,826,706.76/581,510,395,740.82 = 175,388,899,803.72/x
  3. Step 3: Cross multiply
    387,475,826,706.76x = 581,510,395,740.82 × 175,388,899,803.72
  4. Step 4: Simplify right side
    387,475,826,706.76x = 101,990,468,533,408,233,422,848
  5. Step 5: Solve for x
    x = 101,990,468,533,408,233,422,848/387,475,826,706.76
  6. Step 6: Final answer
    x = 263,217,629,342.83

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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.