Home / 1,058,220,225.23-1,587,392,117.82-321,314,170.10

Finding the Fourth Proportional to 1,058,220,225.23, 1,587,392,117.82 and 321,314,170.10

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Solution

The fourth proportional to 1,058,220,225.23, 1,587,392,117.82 and 321,314,170.10 is: 481,990,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,220,225.23 : 1,587,392,117.82 = 321,314,170.10 : x
  2. Step 2: Convert to fraction form
    1,058,220,225.23/1,587,392,117.82 = 321,314,170.10/x
  3. Step 3: Cross multiply
    1,058,220,225.23x = 1,587,392,117.82 × 321,314,170.10
  4. Step 4: Simplify right side
    1,058,220,225.23x = 510,051,580,952,677,760
  5. Step 5: Solve for x
    x = 510,051,580,952,677,760/1,058,220,225.23
  6. Step 6: Final answer
    x = 481,990,013.79

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Double scale
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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.