Home / 880,766,633.75-1,320,277,284.66-413,591,768.72

Finding the Fourth Proportional to 880,766,633.75, 1,320,277,284.66 and 413,591,768.72

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Solution

The fourth proportional to 880,766,633.75, 1,320,277,284.66 and 413,591,768.72 is: 619,977,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,766,633.75 : 1,320,277,284.66 = 413,591,768.72 : x
  2. Step 2: Convert to fraction form
    880,766,633.75/1,320,277,284.66 = 413,591,768.72/x
  3. Step 3: Cross multiply
    880,766,633.75x = 1,320,277,284.66 × 413,591,768.72
  4. Step 4: Simplify right side
    880,766,633.75x = 546,055,817,363,248,320
  5. Step 5: Solve for x
    x = 546,055,817,363,248,320/880,766,633.75
  6. Step 6: Final answer
    x = 619,977,865.24

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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.