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Finding the Fourth Proportional to 604,771,408.82, 907,509,192.92 and 254,995,543.05

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Solution

The fourth proportional to 604,771,408.82, 907,509,192.92 and 254,995,543.05 is: 382,641,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,771,408.82 : 907,509,192.92 = 254,995,543.05 : x
  2. Step 2: Convert to fraction form
    604,771,408.82/907,509,192.92 = 254,995,543.05/x
  3. Step 3: Cross multiply
    604,771,408.82x = 907,509,192.92 × 254,995,543.05
  4. Step 4: Simplify right side
    604,771,408.82x = 231,410,799,470,227,648
  5. Step 5: Solve for x
    x = 231,410,799,470,227,648/604,771,408.82
  6. Step 6: Final answer
    x = 382,641,765.30

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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.