Home / 746,534,690.40-1,119,969,997.20-439,668,847.20

Finding the Fourth Proportional to 746,534,690.40, 1,119,969,997.20 and 439,668,847.20

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Solution

The fourth proportional to 746,534,690.40, 1,119,969,997.20 and 439,668,847.20 is: 659,602,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,534,690.40 : 1,119,969,997.20 = 439,668,847.20 : x
  2. Step 2: Convert to fraction form
    746,534,690.40/1,119,969,997.20 = 439,668,847.20/x
  3. Step 3: Cross multiply
    746,534,690.40x = 1,119,969,997.20 × 439,668,847.20
  4. Step 4: Simplify right side
    746,534,690.40x = 492,415,917,567,511,232
  5. Step 5: Solve for x
    x = 492,415,917,567,511,232/746,534,690.40
  6. Step 6: Final answer
    x = 659,602,191.16

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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.