Home / 779,887,906.65-1,076,360,822.82-493,806,023.64

Finding the Fourth Proportional to 779,887,906.65, 1,076,360,822.82 and 493,806,023.64

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Solution

The fourth proportional to 779,887,906.65, 1,076,360,822.82 and 493,806,023.64 is: 681,525,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,887,906.65 : 1,076,360,822.82 = 493,806,023.64 : x
  2. Step 2: Convert to fraction form
    779,887,906.65/1,076,360,822.82 = 493,806,023.64/x
  3. Step 3: Cross multiply
    779,887,906.65x = 1,076,360,822.82 × 493,806,023.64
  4. Step 4: Simplify right side
    779,887,906.65x = 531,513,457,918,622,720
  5. Step 5: Solve for x
    x = 531,513,457,918,622,720/779,887,906.65
  6. Step 6: Final answer
    x = 681,525,451.78

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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.