Home / 3,487,141,806.80-5,230,731,974.84-866,945,914.96

Finding the Fourth Proportional to 3,487,141,806.80, 5,230,731,974.84 and 866,945,914.96

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Solution

The fourth proportional to 3,487,141,806.80, 5,230,731,974.84 and 866,945,914.96 is: 1,300,423,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,141,806.80 : 5,230,731,974.84 = 866,945,914.96 : x
  2. Step 2: Convert to fraction form
    3,487,141,806.80/5,230,731,974.84 = 866,945,914.96/x
  3. Step 3: Cross multiply
    3,487,141,806.80x = 5,230,731,974.84 × 866,945,914.96
  4. Step 4: Simplify right side
    3,487,141,806.80x = 4,534,761,717,838,191,616
  5. Step 5: Solve for x
    x = 4,534,761,717,838,191,616/3,487,141,806.80
  6. Step 6: Final answer
    x = 1,300,423,661.86

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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.