Home / 854,936,331.59-1,283,233,763.53-412,590,308.98

Finding the Fourth Proportional to 854,936,331.59, 1,283,233,763.53 and 412,590,308.98

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Solution

The fourth proportional to 854,936,331.59, 1,283,233,763.53 and 412,590,308.98 is: 619,285,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,936,331.59 : 1,283,233,763.53 = 412,590,308.98 : x
  2. Step 2: Convert to fraction form
    854,936,331.59/1,283,233,763.53 = 412,590,308.98/x
  3. Step 3: Cross multiply
    854,936,331.59x = 1,283,233,763.53 × 412,590,308.98
  4. Step 4: Simplify right side
    854,936,331.59x = 529,449,814,989,307,008
  5. Step 5: Solve for x
    x = 529,449,814,989,307,008/854,936,331.59
  6. Step 6: Final answer
    x = 619,285,665.41

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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.