Home / 824,500,533.48-1,138,358,630.64-633,421,230.78

Finding the Fourth Proportional to 824,500,533.48, 1,138,358,630.64 and 633,421,230.78

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Solution

The fourth proportional to 824,500,533.48, 1,138,358,630.64 and 633,421,230.78 is: 874,542,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,500,533.48 : 1,138,358,630.64 = 633,421,230.78 : x
  2. Step 2: Convert to fraction form
    824,500,533.48/1,138,358,630.64 = 633,421,230.78/x
  3. Step 3: Cross multiply
    824,500,533.48x = 1,138,358,630.64 × 633,421,230.78
  4. Step 4: Simplify right side
    824,500,533.48x = 721,060,524,889,024,256
  5. Step 5: Solve for x
    x = 721,060,524,889,024,256/824,500,533.48
  6. Step 6: Final answer
    x = 874,542,217.51

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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.