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Finding the Fourth Proportional to 604,493,238.90, 906,804,664.02 and 167,795,768.91

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Solution

The fourth proportional to 604,493,238.90, 906,804,664.02 and 167,795,768.91 is: 251,711,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,493,238.90 : 906,804,664.02 = 167,795,768.91 : x
  2. Step 2: Convert to fraction form
    604,493,238.90/906,804,664.02 = 167,795,768.91/x
  3. Step 3: Cross multiply
    604,493,238.90x = 906,804,664.02 × 167,795,768.91
  4. Step 4: Simplify right side
    604,493,238.90x = 152,157,985,850,410,112
  5. Step 5: Solve for x
    x = 152,157,985,850,410,112/604,493,238.90
  6. Step 6: Final answer
    x = 251,711,642.18

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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.