Home / 407,259,784.36-562,299,680.64-381,240,433

Finding the Fourth Proportional to 407,259,784.36, 562,299,680.64 and 381,240,433

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Solution

The fourth proportional to 407,259,784.36, 562,299,680.64 and 381,240,433 is: 526,375,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,259,784.36 : 562,299,680.64 = 381,240,433 : x
  2. Step 2: Convert to fraction form
    407,259,784.36/562,299,680.64 = 381,240,433/x
  3. Step 3: Cross multiply
    407,259,784.36x = 562,299,680.64 × 381,240,433
  4. Step 4: Simplify right side
    407,259,784.36x = 214,371,373,722,955,296
  5. Step 5: Solve for x
    x = 214,371,373,722,955,296/407,259,784.36
  6. Step 6: Final answer
    x = 526,375,011.62

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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.