Home / 885,735,938.20-1,328,603,907.30-880,634,104.60

Finding the Fourth Proportional to 885,735,938.20, 1,328,603,907.30 and 880,634,104.60

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Solution

The fourth proportional to 885,735,938.20, 1,328,603,907.30 and 880,634,104.60 is: 1,320,951,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,735,938.20 : 1,328,603,907.30 = 880,634,104.60 : x
  2. Step 2: Convert to fraction form
    885,735,938.20/1,328,603,907.30 = 880,634,104.60/x
  3. Step 3: Cross multiply
    885,735,938.20x = 1,328,603,907.30 × 880,634,104.60
  4. Step 4: Simplify right side
    885,735,938.20x = 1,170,013,912,273,196,800
  5. Step 5: Solve for x
    x = 1,170,013,912,273,196,800/885,735,938.20
  6. Step 6: Final answer
    x = 1,320,951,156.90

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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.