Home / 380,889,120.43-525,095,651.40-255,463,730.02

Finding the Fourth Proportional to 380,889,120.43, 525,095,651.40 and 255,463,730.02

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Solution

The fourth proportional to 380,889,120.43, 525,095,651.40 and 255,463,730.02 is: 352,183,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,889,120.43 : 525,095,651.40 = 255,463,730.02 : x
  2. Step 2: Convert to fraction form
    380,889,120.43/525,095,651.40 = 255,463,730.02/x
  3. Step 3: Cross multiply
    380,889,120.43x = 525,095,651.40 × 255,463,730.02
  4. Step 4: Simplify right side
    380,889,120.43x = 134,142,893,723,925,632
  5. Step 5: Solve for x
    x = 134,142,893,723,925,632/380,889,120.43
  6. Step 6: Final answer
    x = 352,183,579.23

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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.