Home / 783,253,254.48-1,080,968,771.81-448,770,144.16

Finding the Fourth Proportional to 783,253,254.48, 1,080,968,771.81 and 448,770,144.16

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Solution

The fourth proportional to 783,253,254.48, 1,080,968,771.81 and 448,770,144.16 is: 619,348,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,253,254.48 : 1,080,968,771.81 = 448,770,144.16 : x
  2. Step 2: Convert to fraction form
    783,253,254.48/1,080,968,771.81 = 448,770,144.16/x
  3. Step 3: Cross multiply
    783,253,254.48x = 1,080,968,771.81 × 448,770,144.16
  4. Step 4: Simplify right side
    783,253,254.48x = 485,106,511,557,631,872
  5. Step 5: Solve for x
    x = 485,106,511,557,631,872/783,253,254.48
  6. Step 6: Final answer
    x = 619,348,223.30

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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.