Home / 855,238,338.41-1,180,228,907.05-464,097,762.41

Finding the Fourth Proportional to 855,238,338.41, 1,180,228,907.05 and 464,097,762.41

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Solution

The fourth proportional to 855,238,338.41, 1,180,228,907.05 and 464,097,762.41 is: 640,454,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,238,338.41 : 1,180,228,907.05 = 464,097,762.41 : x
  2. Step 2: Convert to fraction form
    855,238,338.41/1,180,228,907.05 = 464,097,762.41/x
  3. Step 3: Cross multiply
    855,238,338.41x = 1,180,228,907.05 × 464,097,762.41
  4. Step 4: Simplify right side
    855,238,338.41x = 547,741,594,886,443,392
  5. Step 5: Solve for x
    x = 547,741,594,886,443,392/855,238,338.41
  6. Step 6: Final answer
    x = 640,454,912.15

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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.