Home / 1,058,790,750.53-1,588,128,651.26-321,803,194.64

Finding the Fourth Proportional to 1,058,790,750.53, 1,588,128,651.26 and 321,803,194.64

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Solution

The fourth proportional to 1,058,790,750.53, 1,588,128,651.26 and 321,803,194.64 is: 482,687,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,790,750.53 : 1,588,128,651.26 = 321,803,194.64 : x
  2. Step 2: Convert to fraction form
    1,058,790,750.53/1,588,128,651.26 = 321,803,194.64/x
  3. Step 3: Cross multiply
    1,058,790,750.53x = 1,588,128,651.26 × 321,803,194.64
  4. Step 4: Simplify right side
    1,058,790,750.53x = 511,064,873,465,232,832
  5. Step 5: Solve for x
    x = 511,064,873,465,232,832/1,058,790,750.53
  6. Step 6: Final answer
    x = 482,687,323.45

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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.