Home / 383,615,998.80-575,423,998.20-230,435,019.60

Finding the Fourth Proportional to 383,615,998.80, 575,423,998.20 and 230,435,019.60

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Solution

The fourth proportional to 383,615,998.80, 575,423,998.20 and 230,435,019.60 is: 345,652,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,615,998.80 : 575,423,998.20 = 230,435,019.60 : x
  2. Step 2: Convert to fraction form
    383,615,998.80/575,423,998.20 = 230,435,019.60/x
  3. Step 3: Cross multiply
    383,615,998.80x = 575,423,998.20 × 230,435,019.60
  4. Step 4: Simplify right side
    383,615,998.80x = 132,597,840,303,527,376
  5. Step 5: Solve for x
    x = 132,597,840,303,527,376/383,615,998.80
  6. Step 6: Final answer
    x = 345,652,529.40

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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.