Home / 1,362,870,721.66-2,044,650,112.18-380,296,435.72

Finding the Fourth Proportional to 1,362,870,721.66, 2,044,650,112.18 and 380,296,435.72

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Solution

The fourth proportional to 1,362,870,721.66, 2,044,650,112.18 and 380,296,435.72 is: 570,540,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,870,721.66 : 2,044,650,112.18 = 380,296,435.72 : x
  2. Step 2: Convert to fraction form
    1,362,870,721.66/2,044,650,112.18 = 380,296,435.72/x
  3. Step 3: Cross multiply
    1,362,870,721.66x = 2,044,650,112.18 × 380,296,435.72
  4. Step 4: Simplify right side
    1,362,870,721.66x = 777,573,149,956,552,192
  5. Step 5: Solve for x
    x = 777,573,149,956,552,192/1,362,870,721.66
  6. Step 6: Final answer
    x = 570,540,651.87

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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.