Home / 850,673,112.80-1,275,505,784.40-442,526,424.80

Finding the Fourth Proportional to 850,673,112.80, 1,275,505,784.40 and 442,526,424.80

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Solution

The fourth proportional to 850,673,112.80, 1,275,505,784.40 and 442,526,424.80 is: 663,527,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,673,112.80 : 1,275,505,784.40 = 442,526,424.80 : x
  2. Step 2: Convert to fraction form
    850,673,112.80/1,275,505,784.40 = 442,526,424.80/x
  3. Step 3: Cross multiply
    850,673,112.80x = 1,275,505,784.40 × 442,526,424.80
  4. Step 4: Simplify right side
    850,673,112.80x = 564,445,014,582,251,648
  5. Step 5: Solve for x
    x = 564,445,014,582,251,648/850,673,112.80
  6. Step 6: Final answer
    x = 663,527,512.61

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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.