Home / 839,567,141.64-1,258,166,929.46-396,437,019.39

Finding the Fourth Proportional to 839,567,141.64, 1,258,166,929.46 and 396,437,019.39

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Solution

The fourth proportional to 839,567,141.64, 1,258,166,929.46 and 396,437,019.39 is: 594,096,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,567,141.64 : 1,258,166,929.46 = 396,437,019.39 : x
  2. Step 2: Convert to fraction form
    839,567,141.64/1,258,166,929.46 = 396,437,019.39/x
  3. Step 3: Cross multiply
    839,567,141.64x = 1,258,166,929.46 × 396,437,019.39
  4. Step 4: Simplify right side
    839,567,141.64x = 498,783,947,408,208,576
  5. Step 5: Solve for x
    x = 498,783,947,408,208,576/839,567,141.64
  6. Step 6: Final answer
    x = 594,096,556.03

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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.