Home / 845,586,755.20-1,268,380,132.80-738,091,331.20

Finding the Fourth Proportional to 845,586,755.20, 1,268,380,132.80 and 738,091,331.20

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Solution

The fourth proportional to 845,586,755.20, 1,268,380,132.80 and 738,091,331.20 is: 1,107,136,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,586,755.20 : 1,268,380,132.80 = 738,091,331.20 : x
  2. Step 2: Convert to fraction form
    845,586,755.20/1,268,380,132.80 = 738,091,331.20/x
  3. Step 3: Cross multiply
    845,586,755.20x = 1,268,380,132.80 × 738,091,331.20
  4. Step 4: Simplify right side
    845,586,755.20x = 936,180,380,685,984,768
  5. Step 5: Solve for x
    x = 936,180,380,685,984,768/845,586,755.20
  6. Step 6: Final answer
    x = 1,107,136,996.80

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1.5x scale

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.