Home / 384,019,331.80-576,028,997.70-96,804,995.80

Finding the Fourth Proportional to 384,019,331.80, 576,028,997.70 and 96,804,995.80

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Solution

The fourth proportional to 384,019,331.80, 576,028,997.70 and 96,804,995.80 is: 145,207,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,019,331.80 : 576,028,997.70 = 96,804,995.80 : x
  2. Step 2: Convert to fraction form
    384,019,331.80/576,028,997.70 = 96,804,995.80/x
  3. Step 3: Cross multiply
    384,019,331.80x = 576,028,997.70 × 96,804,995.80
  4. Step 4: Simplify right side
    384,019,331.80x = 55,762,484,703,026,712
  5. Step 5: Solve for x
    x = 55,762,484,703,026,712/384,019,331.80
  6. Step 6: Final answer
    x = 145,207,493.70

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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.