Home / 881,560,528.24-1,216,516,997.40-479,675,936.56

Finding the Fourth Proportional to 881,560,528.24, 1,216,516,997.40 and 479,675,936.56

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Solution

The fourth proportional to 881,560,528.24, 1,216,516,997.40 and 479,675,936.56 is: 661,932,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,560,528.24 : 1,216,516,997.40 = 479,675,936.56 : x
  2. Step 2: Convert to fraction form
    881,560,528.24/1,216,516,997.40 = 479,675,936.56/x
  3. Step 3: Cross multiply
    881,560,528.24x = 1,216,516,997.40 × 479,675,936.56
  4. Step 4: Simplify right side
    881,560,528.24x = 583,533,930,069,004,160
  5. Step 5: Solve for x
    x = 583,533,930,069,004,160/881,560,528.24
  6. Step 6: Final answer
    x = 661,932,914.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.