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Finding the Fourth Proportional to 539,462,419.60, 809,193,629.40 and 482,019,552.40

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Solution

The fourth proportional to 539,462,419.60, 809,193,629.40 and 482,019,552.40 is: 723,029,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,462,419.60 : 809,193,629.40 = 482,019,552.40 : x
  2. Step 2: Convert to fraction form
    539,462,419.60/809,193,629.40 = 482,019,552.40/x
  3. Step 3: Cross multiply
    539,462,419.60x = 809,193,629.40 × 482,019,552.40
  4. Step 4: Simplify right side
    539,462,419.60x = 390,047,151,048,319,424
  5. Step 5: Solve for x
    x = 390,047,151,048,319,424/539,462,419.60
  6. Step 6: Final answer
    x = 723,029,328.60

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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.