Home / 1,058,221,534.16-1,587,394,076.70-321,315,478.12

Finding the Fourth Proportional to 1,058,221,534.16, 1,587,394,076.70 and 321,315,478.12

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Solution

The fourth proportional to 1,058,221,534.16, 1,587,394,076.70 and 321,315,478.12 is: 481,991,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,221,534.16 : 1,587,394,076.70 = 321,315,478.12 : x
  2. Step 2: Convert to fraction form
    1,058,221,534.16/1,587,394,076.70 = 321,315,478.12/x
  3. Step 3: Cross multiply
    1,058,221,534.16x = 1,587,394,076.70 × 321,315,478.12
  4. Step 4: Simplify right side
    1,058,221,534.16x = 510,054,286,719,716,480
  5. Step 5: Solve for x
    x = 510,054,286,719,716,480/1,058,221,534.16
  6. Step 6: Final answer
    x = 481,991,974.51

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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.