Home / 380,889,121.94-525,095,653.46-255,463,731.52

Finding the Fourth Proportional to 380,889,121.94, 525,095,653.46 and 255,463,731.52

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Solution

The fourth proportional to 380,889,121.94, 525,095,653.46 and 255,463,731.52 is: 352,183,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,889,121.94 : 525,095,653.46 = 255,463,731.52 : x
  2. Step 2: Convert to fraction form
    380,889,121.94/525,095,653.46 = 255,463,731.52/x
  3. Step 3: Cross multiply
    380,889,121.94x = 525,095,653.46 × 255,463,731.52
  4. Step 4: Simplify right side
    380,889,121.94x = 134,142,895,037,824,400
  5. Step 5: Solve for x
    x = 134,142,895,037,824,400/380,889,121.94
  6. Step 6: Final answer
    x = 352,183,581.29

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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.