Home / 407,259,807.32-562,299,712.32-381,240,455.96

Finding the Fourth Proportional to 407,259,807.32, 562,299,712.32 and 381,240,455.96

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Solution

The fourth proportional to 407,259,807.32, 562,299,712.32 and 381,240,455.96 is: 526,375,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,259,807.32 : 562,299,712.32 = 381,240,455.96 : x
  2. Step 2: Convert to fraction form
    407,259,807.32/562,299,712.32 = 381,240,455.96/x
  3. Step 3: Cross multiply
    407,259,807.32x = 562,299,712.32 × 381,240,455.96
  4. Step 4: Simplify right side
    407,259,807.32x = 214,371,398,711,053,632
  5. Step 5: Solve for x
    x = 214,371,398,711,053,632/407,259,807.32
  6. Step 6: Final answer
    x = 526,375,043.30

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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.