Home / 609,016,312.07-840,420,006.09-330,551,856.89

Finding the Fourth Proportional to 609,016,312.07, 840,420,006.09 and 330,551,856.89

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Solution

The fourth proportional to 609,016,312.07, 840,420,006.09 and 330,551,856.89 is: 456,149,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,312.07 : 840,420,006.09 = 330,551,856.89 : x
  2. Step 2: Convert to fraction form
    609,016,312.07/840,420,006.09 = 330,551,856.89/x
  3. Step 3: Cross multiply
    609,016,312.07x = 840,420,006.09 × 330,551,856.89
  4. Step 4: Simplify right side
    609,016,312.07x = 277,802,393,578,264,512
  5. Step 5: Solve for x
    x = 277,802,393,578,264,512/609,016,312.07
  6. Step 6: Final answer
    x = 456,149,347.85

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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.