Home / 858,510,074.40-1,287,933,073.20-367,222,394.40

Finding the Fourth Proportional to 858,510,074.40, 1,287,933,073.20 and 367,222,394.40

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Solution

The fourth proportional to 858,510,074.40, 1,287,933,073.20 and 367,222,394.40 is: 550,905,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,510,074.40 : 1,287,933,073.20 = 367,222,394.40 : x
  2. Step 2: Convert to fraction form
    858,510,074.40/1,287,933,073.20 = 367,222,394.40/x
  3. Step 3: Cross multiply
    858,510,074.40x = 1,287,933,073.20 × 367,222,394.40
  4. Step 4: Simplify right side
    858,510,074.40x = 472,957,866,967,454,464
  5. Step 5: Solve for x
    x = 472,957,866,967,454,464/858,510,074.40
  6. Step 6: Final answer
    x = 550,905,436.14

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1.5x scale

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.