Home / 880,208,530.20-1,320,312,795.30-867,294,513.90

Finding the Fourth Proportional to 880,208,530.20, 1,320,312,795.30 and 867,294,513.90

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Solution

The fourth proportional to 880,208,530.20, 1,320,312,795.30 and 867,294,513.90 is: 1,300,941,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,208,530.20 : 1,320,312,795.30 = 867,294,513.90 : x
  2. Step 2: Convert to fraction form
    880,208,530.20/1,320,312,795.30 = 867,294,513.90/x
  3. Step 3: Cross multiply
    880,208,530.20x = 1,320,312,795.30 × 867,294,513.90
  4. Step 4: Simplify right side
    880,208,530.20x = 1,145,100,043,995,663,616
  5. Step 5: Solve for x
    x = 1,145,100,043,995,663,616/880,208,530.20
  6. Step 6: Final answer
    x = 1,300,941,770.85

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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.