Home / 286,455,473.20-395,303,199.24-159,303,949.30

Finding the Fourth Proportional to 286,455,473.20, 395,303,199.24 and 159,303,949.30

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Solution

The fourth proportional to 286,455,473.20, 395,303,199.24 and 159,303,949.30 is: 219,836,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,455,473.20 : 395,303,199.24 = 159,303,949.30 : x
  2. Step 2: Convert to fraction form
    286,455,473.20/395,303,199.24 = 159,303,949.30/x
  3. Step 3: Cross multiply
    286,455,473.20x = 395,303,199.24 × 159,303,949.30
  4. Step 4: Simplify right side
    286,455,473.20x = 62,973,360,809,856,768
  5. Step 5: Solve for x
    x = 62,973,360,809,856,768/286,455,473.20
  6. Step 6: Final answer
    x = 219,836,472.69

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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.