Home / 380,889,118.43-525,095,648.64-255,463,728.02

Finding the Fourth Proportional to 380,889,118.43, 525,095,648.64 and 255,463,728.02

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Solution

The fourth proportional to 380,889,118.43, 525,095,648.64 and 255,463,728.02 is: 352,183,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,889,118.43 : 525,095,648.64 = 255,463,728.02 : x
  2. Step 2: Convert to fraction form
    380,889,118.43/525,095,648.64 = 255,463,728.02/x
  3. Step 3: Cross multiply
    380,889,118.43x = 525,095,648.64 × 255,463,728.02
  4. Step 4: Simplify right side
    380,889,118.43x = 134,142,891,968,654,448
  5. Step 5: Solve for x
    x = 134,142,891,968,654,448/380,889,118.43
  6. Step 6: Final answer
    x = 352,183,576.47

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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.