Home / 1,166,112,149.35-1,749,840,070.43-439,622,242.15

Finding the Fourth Proportional to 1,166,112,149.35, 1,749,840,070.43 and 439,622,242.15

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Solution

The fourth proportional to 1,166,112,149.35, 1,749,840,070.43 and 439,622,242.15 is: 659,686,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,112,149.35 : 1,749,840,070.43 = 439,622,242.15 : x
  2. Step 2: Convert to fraction form
    1,166,112,149.35/1,749,840,070.43 = 439,622,242.15/x
  3. Step 3: Cross multiply
    1,166,112,149.35x = 1,749,840,070.43 × 439,622,242.15
  4. Step 4: Simplify right side
    1,166,112,149.35x = 769,268,615,164,152,320
  5. Step 5: Solve for x
    x = 769,268,615,164,152,320/1,166,112,149.35
  6. Step 6: Final answer
    x = 659,686,648.14

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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.