Home / 1,904,874,656.55-2,628,638,189.37-1,058,156,859.21

Finding the Fourth Proportional to 1,904,874,656.55, 2,628,638,189.37 and 1,058,156,859.21

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Solution

The fourth proportional to 1,904,874,656.55, 2,628,638,189.37 and 1,058,156,859.21 is: 1,460,207,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,874,656.55 : 2,628,638,189.37 = 1,058,156,859.21 : x
  2. Step 2: Convert to fraction form
    1,904,874,656.55/2,628,638,189.37 = 1,058,156,859.21/x
  3. Step 3: Cross multiply
    1,904,874,656.55x = 2,628,638,189.37 × 1,058,156,859.21
  4. Step 4: Simplify right side
    1,904,874,656.55x = 2,781,511,530,463,220,224
  5. Step 5: Solve for x
    x = 2,781,511,530,463,220,224/1,904,874,656.55
  6. Step 6: Final answer
    x = 1,460,207,116.99

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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.