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Finding the Fourth Proportional to 792,984,819.22, 1,094,254,893.41 and 458,478,803.42

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Solution

The fourth proportional to 792,984,819.22, 1,094,254,893.41 and 458,478,803.42 is: 632,663,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,984,819.22 : 1,094,254,893.41 = 458,478,803.42 : x
  2. Step 2: Convert to fraction form
    792,984,819.22/1,094,254,893.41 = 458,478,803.42/x
  3. Step 3: Cross multiply
    792,984,819.22x = 1,094,254,893.41 × 458,478,803.42
  4. Step 4: Simplify right side
    792,984,819.22x = 501,692,674,159,332,800
  5. Step 5: Solve for x
    x = 501,692,674,159,332,800/792,984,819.22
  6. Step 6: Final answer
    x = 632,663,655.09

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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.