Home / 427,312,972.80-589,684,838.40-241,667,020.80

Finding the Fourth Proportional to 427,312,972.80, 589,684,838.40 and 241,667,020.80

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Solution

The fourth proportional to 427,312,972.80, 589,684,838.40 and 241,667,020.80 is: 333,496,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,312,972.80 : 589,684,838.40 = 241,667,020.80 : x
  2. Step 2: Convert to fraction form
    427,312,972.80/589,684,838.40 = 241,667,020.80/x
  3. Step 3: Cross multiply
    427,312,972.80x = 589,684,838.40 × 241,667,020.80
  4. Step 4: Simplify right side
    427,312,972.80x = 142,507,378,107,057,440
  5. Step 5: Solve for x
    x = 142,507,378,107,057,440/427,312,972.80
  6. Step 6: Final answer
    x = 333,496,493.62

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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.