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Finding the Fourth Proportional to 881,907,752.80, 1,322,861,629.20 and 718,649,077.60

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Solution

The fourth proportional to 881,907,752.80, 1,322,861,629.20 and 718,649,077.60 is: 1,077,973,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,907,752.80 : 1,322,861,629.20 = 718,649,077.60 : x
  2. Step 2: Convert to fraction form
    881,907,752.80/1,322,861,629.20 = 718,649,077.60/x
  3. Step 3: Cross multiply
    881,907,752.80x = 1,322,861,629.20 × 718,649,077.60
  4. Step 4: Simplify right side
    881,907,752.80x = 950,673,289,617,013,248
  5. Step 5: Solve for x
    x = 950,673,289,617,013,248/881,907,752.80
  6. Step 6: Final answer
    x = 1,077,973,616.40

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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.