Home / 609,016,308.12-840,420,000.65-330,551,852.94

Finding the Fourth Proportional to 609,016,308.12, 840,420,000.65 and 330,551,852.94

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Solution

The fourth proportional to 609,016,308.12, 840,420,000.65 and 330,551,852.94 is: 456,149,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,308.12 : 840,420,000.65 = 330,551,852.94 : x
  2. Step 2: Convert to fraction form
    609,016,308.12/840,420,000.65 = 330,551,852.94/x
  3. Step 3: Cross multiply
    609,016,308.12x = 840,420,000.65 × 330,551,852.94
  4. Step 4: Simplify right side
    609,016,308.12x = 277,802,388,463,519,904
  5. Step 5: Solve for x
    x = 277,802,388,463,519,904/609,016,308.12
  6. Step 6: Final answer
    x = 456,149,342.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.