Home / 435,917,929.32-654,183,308.46-394,239,964.14

Finding the Fourth Proportional to 435,917,929.32, 654,183,308.46 and 394,239,964.14

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Solution

The fourth proportional to 435,917,929.32, 654,183,308.46 and 394,239,964.14 is: 591,637,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,917,929.32 : 654,183,308.46 = 394,239,964.14 : x
  2. Step 2: Convert to fraction form
    435,917,929.32/654,183,308.46 = 394,239,964.14/x
  3. Step 3: Cross multiply
    435,917,929.32x = 654,183,308.46 × 394,239,964.14
  4. Step 4: Simplify right side
    435,917,929.32x = 257,905,204,068,256,960
  5. Step 5: Solve for x
    x = 257,905,204,068,256,960/435,917,929.32
  6. Step 6: Final answer
    x = 591,637,064.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.