Home / 880,766,650.12-1,320,277,309.44-413,591,785.12

Finding the Fourth Proportional to 880,766,650.12, 1,320,277,309.44 and 413,591,785.12

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Solution

The fourth proportional to 880,766,650.12, 1,320,277,309.44 and 413,591,785.12 is: 619,977,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,766,650.12 : 1,320,277,309.44 = 413,591,785.12 : x
  2. Step 2: Convert to fraction form
    880,766,650.12/1,320,277,309.44 = 413,591,785.12/x
  3. Step 3: Cross multiply
    880,766,650.12x = 1,320,277,309.44 × 413,591,785.12
  4. Step 4: Simplify right side
    880,766,650.12x = 546,055,849,264,720,256
  5. Step 5: Solve for x
    x = 546,055,849,264,720,256/880,766,650.12
  6. Step 6: Final answer
    x = 619,977,889.93

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1.5x scale

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.