Home / 744,242,824.64-1,027,023,635.06-405,144,249.78

Finding the Fourth Proportional to 744,242,824.64, 1,027,023,635.06 and 405,144,249.78

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Solution

The fourth proportional to 744,242,824.64, 1,027,023,635.06 and 405,144,249.78 is: 559,081,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,242,824.64 : 1,027,023,635.06 = 405,144,249.78 : x
  2. Step 2: Convert to fraction form
    744,242,824.64/1,027,023,635.06 = 405,144,249.78/x
  3. Step 3: Cross multiply
    744,242,824.64x = 1,027,023,635.06 × 405,144,249.78
  4. Step 4: Simplify right side
    744,242,824.64x = 416,092,720,132,712,128
  5. Step 5: Solve for x
    x = 416,092,720,132,712,128/744,242,824.64
  6. Step 6: Final answer
    x = 559,081,937.18

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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.