Home / 1,080,400,851.33-1,489,486,927.93-758,090,899.03

Finding the Fourth Proportional to 1,080,400,851.33, 1,489,486,927.93 and 758,090,899.03

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Solution

The fourth proportional to 1,080,400,851.33, 1,489,486,927.93 and 758,090,899.03 is: 1,045,136,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,400,851.33 : 1,489,486,927.93 = 758,090,899.03 : x
  2. Step 2: Convert to fraction form
    1,080,400,851.33/1,489,486,927.93 = 758,090,899.03/x
  3. Step 3: Cross multiply
    1,080,400,851.33x = 1,489,486,927.93 × 758,090,899.03
  4. Step 4: Simplify right side
    1,080,400,851.33x = 1,129,166,484,290,076,672
  5. Step 5: Solve for x
    x = 1,129,166,484,290,076,672/1,080,400,851.33
  6. Step 6: Final answer
    x = 1,045,136,611.01

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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.