Home / 481,211,140.80-723,357,890.10-447,092,628.60

Finding the Fourth Proportional to 481,211,140.80, 723,357,890.10 and 447,092,628.60

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Solution

The fourth proportional to 481,211,140.80, 723,357,890.10 and 447,092,628.60 is: 672,070,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,211,140.80 : 723,357,890.10 = 447,092,628.60 : x
  2. Step 2: Convert to fraction form
    481,211,140.80/723,357,890.10 = 447,092,628.60/x
  3. Step 3: Cross multiply
    481,211,140.80x = 723,357,890.10 × 447,092,628.60
  4. Step 4: Simplify right side
    481,211,140.80x = 323,407,980,503,358,976
  5. Step 5: Solve for x
    x = 323,407,980,503,358,976/481,211,140.80
  6. Step 6: Final answer
    x = 672,070,850.16

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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.