Home / 1,261,189,361.58-1,740,407,598.81-696,662,093.22

Finding the Fourth Proportional to 1,261,189,361.58, 1,740,407,598.81 and 696,662,093.22

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Solution

The fourth proportional to 1,261,189,361.58, 1,740,407,598.81 and 696,662,093.22 is: 961,375,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,189,361.58 : 1,740,407,598.81 = 696,662,093.22 : x
  2. Step 2: Convert to fraction form
    1,261,189,361.58/1,740,407,598.81 = 696,662,093.22/x
  3. Step 3: Cross multiply
    1,261,189,361.58x = 1,740,407,598.81 × 696,662,093.22
  4. Step 4: Simplify right side
    1,261,189,361.58x = 1,212,476,000,842,968,576
  5. Step 5: Solve for x
    x = 1,212,476,000,842,968,576/1,261,189,361.58
  6. Step 6: Final answer
    x = 961,375,062.13

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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.