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Finding the Fourth Proportional to 792,991,064.57, 1,094,263,512 and 458,485,048.77

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Solution

The fourth proportional to 792,991,064.57, 1,094,263,512 and 458,485,048.77 is: 632,672,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,991,064.57 : 1,094,263,512 = 458,485,048.77 : x
  2. Step 2: Convert to fraction form
    792,991,064.57/1,094,263,512 = 458,485,048.77/x
  3. Step 3: Cross multiply
    792,991,064.57x = 1,094,263,512 × 458,485,048.77
  4. Step 4: Simplify right side
    792,991,064.57x = 501,703,459,666,551,488
  5. Step 5: Solve for x
    x = 501,703,459,666,551,488/792,991,064.57
  6. Step 6: Final answer
    x = 632,672,273.47

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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.