Home / 538,137,559.16-742,629,803.18-290,618,889.56

Finding the Fourth Proportional to 538,137,559.16, 742,629,803.18 and 290,618,889.56

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Solution

The fourth proportional to 538,137,559.16, 742,629,803.18 and 290,618,889.56 is: 401,054,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,137,559.16 : 742,629,803.18 = 290,618,889.56 : x
  2. Step 2: Convert to fraction form
    538,137,559.16/742,629,803.18 = 290,618,889.56/x
  3. Step 3: Cross multiply
    538,137,559.16x = 742,629,803.18 × 290,618,889.56
  4. Step 4: Simplify right side
    538,137,559.16x = 215,822,248,754,332,928
  5. Step 5: Solve for x
    x = 215,822,248,754,332,928/538,137,559.16
  6. Step 6: Final answer
    x = 401,054,052.22

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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.