Home / 1,151,856,361.96-1,589,561,754.80-623,220,348.18

Finding the Fourth Proportional to 1,151,856,361.96, 1,589,561,754.80 and 623,220,348.18

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Solution

The fourth proportional to 1,151,856,361.96, 1,589,561,754.80 and 623,220,348.18 is: 860,044,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,856,361.96 : 1,589,561,754.80 = 623,220,348.18 : x
  2. Step 2: Convert to fraction form
    1,151,856,361.96/1,589,561,754.80 = 623,220,348.18/x
  3. Step 3: Cross multiply
    1,151,856,361.96x = 1,589,561,754.80 × 623,220,348.18
  4. Step 4: Simplify right side
    1,151,856,361.96x = 990,647,230,280,067,712
  5. Step 5: Solve for x
    x = 990,647,230,280,067,712/1,151,856,361.96
  6. Step 6: Final answer
    x = 860,044,067.12

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Double scale
Find fourth proportional to 1,151,856,362.96, 1,589,561,756.18 and 623,220,349.18
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1.5x scale

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.