Home / 880,250,383.20-1,320,375,574.80-472,103,695.20

Finding the Fourth Proportional to 880,250,383.20, 1,320,375,574.80 and 472,103,695.20

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Solution

The fourth proportional to 880,250,383.20, 1,320,375,574.80 and 472,103,695.20 is: 708,155,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,250,383.20 : 1,320,375,574.80 = 472,103,695.20 : x
  2. Step 2: Convert to fraction form
    880,250,383.20/1,320,375,574.80 = 472,103,695.20/x
  3. Step 3: Cross multiply
    880,250,383.20x = 1,320,375,574.80 × 472,103,695.20
  4. Step 4: Simplify right side
    880,250,383.20x = 623,354,187,914,903,936
  5. Step 5: Solve for x
    x = 623,354,187,914,903,936/880,250,383.20
  6. Step 6: Final answer
    x = 708,155,542.80

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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.