Home / 664,848,032.40-997,272,048.60-447,169,798.80

Finding the Fourth Proportional to 664,848,032.40, 997,272,048.60 and 447,169,798.80

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Solution

The fourth proportional to 664,848,032.40, 997,272,048.60 and 447,169,798.80 is: 670,754,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,032.40 : 997,272,048.60 = 447,169,798.80 : x
  2. Step 2: Convert to fraction form
    664,848,032.40/997,272,048.60 = 447,169,798.80/x
  3. Step 3: Cross multiply
    664,848,032.40x = 997,272,048.60 × 447,169,798.80
  4. Step 4: Simplify right side
    664,848,032.40x = 445,949,941,321,325,824
  5. Step 5: Solve for x
    x = 445,949,941,321,325,824/664,848,032.40
  6. Step 6: Final answer
    x = 670,754,698.20

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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.