Home / 538,120,544.80-742,606,345.04-290,601,877.20

Finding the Fourth Proportional to 538,120,544.80, 742,606,345.04 and 290,601,877.20

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Solution

The fourth proportional to 538,120,544.80, 742,606,345.04 and 290,601,877.20 is: 401,030,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,120,544.80 : 742,606,345.04 = 290,601,877.20 : x
  2. Step 2: Convert to fraction form
    538,120,544.80/742,606,345.04 = 290,601,877.20/x
  3. Step 3: Cross multiply
    538,120,544.80x = 742,606,345.04 × 290,601,877.20
  4. Step 4: Simplify right side
    538,120,544.80x = 215,802,797,889,254,880
  5. Step 5: Solve for x
    x = 215,802,797,889,254,880/538,120,544.80
  6. Step 6: Final answer
    x = 401,030,586.87

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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.