Home / 407,410,190.10-611,274,717.45-148,651,567.20

Finding the Fourth Proportional to 407,410,190.10, 611,274,717.45 and 148,651,567.20

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Solution

The fourth proportional to 407,410,190.10, 611,274,717.45 and 148,651,567.20 is: 223,035,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,410,190.10 : 611,274,717.45 = 148,651,567.20 : x
  2. Step 2: Convert to fraction form
    407,410,190.10/611,274,717.45 = 148,651,567.20/x
  3. Step 3: Cross multiply
    407,410,190.10x = 611,274,717.45 × 148,651,567.20
  4. Step 4: Simplify right side
    407,410,190.10x = 90,866,944,738,679,680
  5. Step 5: Solve for x
    x = 90,866,944,738,679,680/407,410,190.10
  6. Step 6: Final answer
    x = 223,035,522.79

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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.