Home / 351,858,309.74-483,842,598.47-305,367,851.06

Finding the Fourth Proportional to 351,858,309.74, 483,842,598.47 and 305,367,851.06

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Solution

The fourth proportional to 351,858,309.74, 483,842,598.47 and 305,367,851.06 is: 419,913,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,858,309.74 : 483,842,598.47 = 305,367,851.06 : x
  2. Step 2: Convert to fraction form
    351,858,309.74/483,842,598.47 = 305,367,851.06/x
  3. Step 3: Cross multiply
    351,858,309.74x = 483,842,598.47 × 305,367,851.06
  4. Step 4: Simplify right side
    351,858,309.74x = 147,749,974,546,070,368
  5. Step 5: Solve for x
    x = 147,749,974,546,070,368/351,858,309.74
  6. Step 6: Final answer
    x = 419,913,273.20

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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.