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Finding the Fourth Proportional to 673,484,904, 922,658,879.04 and 648,305,139.52

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Solution

The fourth proportional to 673,484,904, 922,658,879.04 and 648,305,139.52 is: 888,163,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,484,904 : 922,658,879.04 = 648,305,139.52 : x
  2. Step 2: Convert to fraction form
    673,484,904/922,658,879.04 = 648,305,139.52/x
  3. Step 3: Cross multiply
    673,484,904x = 922,658,879.04 × 648,305,139.52
  4. Step 4: Simplify right side
    673,484,904x = 598,164,493,305,393,920
  5. Step 5: Solve for x
    x = 598,164,493,305,393,920/673,484,904
  6. Step 6: Final answer
    x = 888,163,178.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.