Home / 828,493,256.88-1,143,318,350.16-457,212,633.48

Finding the Fourth Proportional to 828,493,256.88, 1,143,318,350.16 and 457,212,633.48

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Solution

The fourth proportional to 828,493,256.88, 1,143,318,350.16 and 457,212,633.48 is: 630,952,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,493,256.88 : 1,143,318,350.16 = 457,212,633.48 : x
  2. Step 2: Convert to fraction form
    828,493,256.88/1,143,318,350.16 = 457,212,633.48/x
  3. Step 3: Cross multiply
    828,493,256.88x = 1,143,318,350.16 × 457,212,633.48
  4. Step 4: Simplify right side
    828,493,256.88x = 522,739,593,782,662,464
  5. Step 5: Solve for x
    x = 522,739,593,782,662,464/828,493,256.88
  6. Step 6: Final answer
    x = 630,952,140.46

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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.