Home / 354,355,622.40-531,533,433.60-198,749,697.60

Finding the Fourth Proportional to 354,355,622.40, 531,533,433.60 and 198,749,697.60

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Solution

The fourth proportional to 354,355,622.40, 531,533,433.60 and 198,749,697.60 is: 298,124,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,355,622.40 : 531,533,433.60 = 198,749,697.60 : x
  2. Step 2: Convert to fraction form
    354,355,622.40/531,533,433.60 = 198,749,697.60/x
  3. Step 3: Cross multiply
    354,355,622.40x = 531,533,433.60 × 198,749,697.60
  4. Step 4: Simplify right side
    354,355,622.40x = 105,642,109,192,289,680
  5. Step 5: Solve for x
    x = 105,642,109,192,289,680/354,355,622.40
  6. Step 6: Final answer
    x = 298,124,546.40

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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.