Home / 1,166,112,163.60-1,749,840,091.80-439,622,256.40

Finding the Fourth Proportional to 1,166,112,163.60, 1,749,840,091.80 and 439,622,256.40

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Solution

The fourth proportional to 1,166,112,163.60, 1,749,840,091.80 and 439,622,256.40 is: 659,686,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,112,163.60 : 1,749,840,091.80 = 439,622,256.40 : x
  2. Step 2: Convert to fraction form
    1,166,112,163.60/1,749,840,091.80 = 439,622,256.40/x
  3. Step 3: Cross multiply
    1,166,112,163.60x = 1,749,840,091.80 × 439,622,256.40
  4. Step 4: Simplify right side
    1,166,112,163.60x = 769,268,649,496,299,136
  5. Step 5: Solve for x
    x = 769,268,649,496,299,136/1,166,112,163.60
  6. Step 6: Final answer
    x = 659,686,669.52

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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.