Home / 351,858,308.74-483,842,597.10-305,367,850.06

Finding the Fourth Proportional to 351,858,308.74, 483,842,597.10 and 305,367,850.06

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Solution

The fourth proportional to 351,858,308.74, 483,842,597.10 and 305,367,850.06 is: 419,913,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,858,308.74 : 483,842,597.10 = 305,367,850.06 : x
  2. Step 2: Convert to fraction form
    351,858,308.74/483,842,597.10 = 305,367,850.06/x
  3. Step 3: Cross multiply
    351,858,308.74x = 483,842,597.10 × 305,367,850.06
  4. Step 4: Simplify right side
    351,858,308.74x = 147,749,973,641,519,072
  5. Step 5: Solve for x
    x = 147,749,973,641,519,072/351,858,308.74
  6. Step 6: Final answer
    x = 419,913,271.83

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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.