Home / 609,016,307.88-840,420,000.31-330,551,852.70

Finding the Fourth Proportional to 609,016,307.88, 840,420,000.31 and 330,551,852.70

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Solution

The fourth proportional to 609,016,307.88, 840,420,000.31 and 330,551,852.70 is: 456,149,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,307.88 : 840,420,000.31 = 330,551,852.70 : x
  2. Step 2: Convert to fraction form
    609,016,307.88/840,420,000.31 = 330,551,852.70/x
  3. Step 3: Cross multiply
    609,016,307.88x = 840,420,000.31 × 330,551,852.70
  4. Step 4: Simplify right side
    609,016,307.88x = 277,802,388,148,605,056
  5. Step 5: Solve for x
    x = 277,802,388,148,605,056/609,016,307.88
  6. Step 6: Final answer
    x = 456,149,342.07

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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.