Home / 538,380,075.44-807,246,693.66-210,465,034.40

Finding the Fourth Proportional to 538,380,075.44, 807,246,693.66 and 210,465,034.40

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Solution

The fourth proportional to 538,380,075.44, 807,246,693.66 and 210,465,034.40 is: 315,571,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,380,075.44 : 807,246,693.66 = 210,465,034.40 : x
  2. Step 2: Convert to fraction form
    538,380,075.44/807,246,693.66 = 210,465,034.40/x
  3. Step 3: Cross multiply
    538,380,075.44x = 807,246,693.66 × 210,465,034.40
  4. Step 4: Simplify right side
    538,380,075.44x = 169,897,203,150,438,144
  5. Step 5: Solve for x
    x = 169,897,203,150,438,144/538,380,075.44
  6. Step 6: Final answer
    x = 315,571,119.55

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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.