Home / 749,088,138.40-1,123,632,207.60-504,200,125.60

Finding the Fourth Proportional to 749,088,138.40, 1,123,632,207.60 and 504,200,125.60

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Solution

The fourth proportional to 749,088,138.40, 1,123,632,207.60 and 504,200,125.60 is: 756,300,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,138.40 : 1,123,632,207.60 = 504,200,125.60 : x
  2. Step 2: Convert to fraction form
    749,088,138.40/1,123,632,207.60 = 504,200,125.60/x
  3. Step 3: Cross multiply
    749,088,138.40x = 1,123,632,207.60 × 504,200,125.60
  4. Step 4: Simplify right side
    749,088,138.40x = 566,535,500,200,125,248
  5. Step 5: Solve for x
    x = 566,535,500,200,125,248/749,088,138.40
  6. Step 6: Final answer
    x = 756,300,188.40

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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.