Home / 1,781,075,234.52-2,671,611,077.88-1,220,284,519.56

Finding the Fourth Proportional to 1,781,075,234.52, 2,671,611,077.88 and 1,220,284,519.56

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Solution

The fourth proportional to 1,781,075,234.52, 2,671,611,077.88 and 1,220,284,519.56 is: 1,830,425,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,075,234.52 : 2,671,611,077.88 = 1,220,284,519.56 : x
  2. Step 2: Convert to fraction form
    1,781,075,234.52/2,671,611,077.88 = 1,220,284,519.56/x
  3. Step 3: Cross multiply
    1,781,075,234.52x = 2,671,611,077.88 × 1,220,284,519.56
  4. Step 4: Simplify right side
    1,781,075,234.52x = 3,260,125,640,621,969,408
  5. Step 5: Solve for x
    x = 3,260,125,640,621,969,408/1,781,075,234.52
  6. Step 6: Final answer
    x = 1,830,425,563.97

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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.