Home / 659,380,544.40-989,070,816.60-414,014,234.70

Finding the Fourth Proportional to 659,380,544.40, 989,070,816.60 and 414,014,234.70

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Solution

The fourth proportional to 659,380,544.40, 989,070,816.60 and 414,014,234.70 is: 621,021,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,380,544.40 : 989,070,816.60 = 414,014,234.70 : x
  2. Step 2: Convert to fraction form
    659,380,544.40/989,070,816.60 = 414,014,234.70/x
  3. Step 3: Cross multiply
    659,380,544.40x = 989,070,816.60 × 414,014,234.70
  4. Step 4: Simplify right side
    659,380,544.40x = 409,489,397,198,753,024
  5. Step 5: Solve for x
    x = 409,489,397,198,753,024/659,380,544.40
  6. Step 6: Final answer
    x = 621,021,352.05

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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.