Home / 448,025,662.80-670,694,801.40-266,179,237.20

Finding the Fourth Proportional to 448,025,662.80, 670,694,801.40 and 266,179,237.20

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Solution

The fourth proportional to 448,025,662.80, 670,694,801.40 and 266,179,237.20 is: 398,470,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,025,662.80 : 670,694,801.40 = 266,179,237.20 : x
  2. Step 2: Convert to fraction form
    448,025,662.80/670,694,801.40 = 266,179,237.20/x
  3. Step 3: Cross multiply
    448,025,662.80x = 670,694,801.40 × 266,179,237.20
  4. Step 4: Simplify right side
    448,025,662.80x = 178,525,030,630,657,472
  5. Step 5: Solve for x
    x = 178,525,030,630,657,472/448,025,662.80
  6. Step 6: Final answer
    x = 398,470,546.34

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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.