Home / 850,673,119.80-1,275,505,794.90-442,526,431.80

Finding the Fourth Proportional to 850,673,119.80, 1,275,505,794.90 and 442,526,431.80

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Solution

The fourth proportional to 850,673,119.80, 1,275,505,794.90 and 442,526,431.80 is: 663,527,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,673,119.80 : 1,275,505,794.90 = 442,526,431.80 : x
  2. Step 2: Convert to fraction form
    850,673,119.80/1,275,505,794.90 = 442,526,431.80/x
  3. Step 3: Cross multiply
    850,673,119.80x = 1,275,505,794.90 × 442,526,431.80
  4. Step 4: Simplify right side
    850,673,119.80x = 564,445,028,157,319,680
  5. Step 5: Solve for x
    x = 564,445,028,157,319,680/850,673,119.80
  6. Step 6: Final answer
    x = 663,527,523.11

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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.