Home / 858,510,052.40-1,287,933,040.20-367,222,372.40

Finding the Fourth Proportional to 858,510,052.40, 1,287,933,040.20 and 367,222,372.40

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Solution

The fourth proportional to 858,510,052.40, 1,287,933,040.20 and 367,222,372.40 is: 550,905,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,510,052.40 : 1,287,933,040.20 = 367,222,372.40 : x
  2. Step 2: Convert to fraction form
    858,510,052.40/1,287,933,040.20 = 367,222,372.40/x
  3. Step 3: Cross multiply
    858,510,052.40x = 1,287,933,040.20 × 367,222,372.40
  4. Step 4: Simplify right side
    858,510,052.40x = 472,957,826,514,588,544
  5. Step 5: Solve for x
    x = 472,957,826,514,588,544/858,510,052.40
  6. Step 6: Final answer
    x = 550,905,403.14

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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.