Home / 912,719,317.20-1,361,405,170.64-828,929,232.12

Finding the Fourth Proportional to 912,719,317.20, 1,361,405,170.64 and 828,929,232.12

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Solution

The fourth proportional to 912,719,317.20, 1,361,405,170.64 and 828,929,232.12 is: 1,236,424,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,719,317.20 : 1,361,405,170.64 = 828,929,232.12 : x
  2. Step 2: Convert to fraction form
    912,719,317.20/1,361,405,170.64 = 828,929,232.12/x
  3. Step 3: Cross multiply
    912,719,317.20x = 1,361,405,170.64 × 828,929,232.12
  4. Step 4: Simplify right side
    912,719,317.20x = 1,128,508,542,698,668,160
  5. Step 5: Solve for x
    x = 1,128,508,542,698,668,160/912,719,317.20
  6. Step 6: Final answer
    x = 1,236,424,518.94

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.