Home / 423,545,955.81-584,507,611.52-235,382,179.78

Finding the Fourth Proportional to 423,545,955.81, 584,507,611.52 and 235,382,179.78

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Solution

The fourth proportional to 423,545,955.81, 584,507,611.52 and 235,382,179.78 is: 324,835,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,545,955.81 : 584,507,611.52 = 235,382,179.78 : x
  2. Step 2: Convert to fraction form
    423,545,955.81/584,507,611.52 = 235,382,179.78/x
  3. Step 3: Cross multiply
    423,545,955.81x = 584,507,611.52 × 235,382,179.78
  4. Step 4: Simplify right side
    423,545,955.81x = 137,582,675,696,706,240
  5. Step 5: Solve for x
    x = 137,582,675,696,706,240/423,545,955.81
  6. Step 6: Final answer
    x = 324,835,295.46

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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.