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Finding the Fourth Proportional to 604,484,368.80, 906,726,553.20 and 483,552,016.80

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Solution

The fourth proportional to 604,484,368.80, 906,726,553.20 and 483,552,016.80 is: 725,328,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,484,368.80 : 906,726,553.20 = 483,552,016.80 : x
  2. Step 2: Convert to fraction form
    604,484,368.80/906,726,553.20 = 483,552,016.80/x
  3. Step 3: Cross multiply
    604,484,368.80x = 906,726,553.20 × 483,552,016.80
  4. Step 4: Simplify right side
    604,484,368.80x = 438,449,453,485,972,544
  5. Step 5: Solve for x
    x = 438,449,453,485,972,544/604,484,368.80
  6. Step 6: Final answer
    x = 725,328,025.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.