Home / 1,362,870,719.66-2,044,650,109.18-380,296,433.72

Finding the Fourth Proportional to 1,362,870,719.66, 2,044,650,109.18 and 380,296,433.72

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Solution

The fourth proportional to 1,362,870,719.66, 2,044,650,109.18 and 380,296,433.72 is: 570,540,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,870,719.66 : 2,044,650,109.18 = 380,296,433.72 : x
  2. Step 2: Convert to fraction form
    1,362,870,719.66/2,044,650,109.18 = 380,296,433.72/x
  3. Step 3: Cross multiply
    1,362,870,719.66x = 2,044,650,109.18 × 380,296,433.72
  4. Step 4: Simplify right side
    1,362,870,719.66x = 777,573,144,726,362,752
  5. Step 5: Solve for x
    x = 777,573,144,726,362,752/1,362,870,719.66
  6. Step 6: Final answer
    x = 570,540,648.87

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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.