Home / 979,993,939.01-1,352,101,512.87-583,198,830.77

Finding the Fourth Proportional to 979,993,939.01, 1,352,101,512.87 and 583,198,830.77

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Solution

The fourth proportional to 979,993,939.01, 1,352,101,512.87 and 583,198,830.77 is: 804,641,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,993,939.01 : 1,352,101,512.87 = 583,198,830.77 : x
  2. Step 2: Convert to fraction form
    979,993,939.01/1,352,101,512.87 = 583,198,830.77/x
  3. Step 3: Cross multiply
    979,993,939.01x = 1,352,101,512.87 × 583,198,830.77
  4. Step 4: Simplify right side
    979,993,939.01x = 788,544,021,381,371,520
  5. Step 5: Solve for x
    x = 788,544,021,381,371,520/979,993,939.01
  6. Step 6: Final answer
    x = 804,641,732.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.