Home / 886,468,049.60-1,329,702,074.40-427,303,025.60

Finding the Fourth Proportional to 886,468,049.60, 1,329,702,074.40 and 427,303,025.60

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Solution

The fourth proportional to 886,468,049.60, 1,329,702,074.40 and 427,303,025.60 is: 640,954,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,468,049.60 : 1,329,702,074.40 = 427,303,025.60 : x
  2. Step 2: Convert to fraction form
    886,468,049.60/1,329,702,074.40 = 427,303,025.60/x
  3. Step 3: Cross multiply
    886,468,049.60x = 1,329,702,074.40 × 427,303,025.60
  4. Step 4: Simplify right side
    886,468,049.60x = 568,185,719,537,716,352
  5. Step 5: Solve for x
    x = 568,185,719,537,716,352/886,468,049.60
  6. Step 6: Final answer
    x = 640,954,538.40

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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.