Home / 885,735,601.70-1,328,603,402.55-838,384,208.60

Finding the Fourth Proportional to 885,735,601.70, 1,328,603,402.55 and 838,384,208.60

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Solution

The fourth proportional to 885,735,601.70, 1,328,603,402.55 and 838,384,208.60 is: 1,257,576,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,735,601.70 : 1,328,603,402.55 = 838,384,208.60 : x
  2. Step 2: Convert to fraction form
    885,735,601.70/1,328,603,402.55 = 838,384,208.60/x
  3. Step 3: Cross multiply
    885,735,601.70x = 1,328,603,402.55 × 838,384,208.60
  4. Step 4: Simplify right side
    885,735,601.70x = 1,113,880,112,190,148,992
  5. Step 5: Solve for x
    x = 1,113,880,112,190,148,992/885,735,601.70
  6. Step 6: Final answer
    x = 1,257,576,312.90

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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.