Home / 664,848,048.20-997,272,072.30-358,738,032.20

Finding the Fourth Proportional to 664,848,048.20, 997,272,072.30 and 358,738,032.20

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Solution

The fourth proportional to 664,848,048.20, 997,272,072.30 and 358,738,032.20 is: 538,107,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,048.20 : 997,272,072.30 = 358,738,032.20 : x
  2. Step 2: Convert to fraction form
    664,848,048.20/997,272,072.30 = 358,738,032.20/x
  3. Step 3: Cross multiply
    664,848,048.20x = 997,272,072.30 × 358,738,032.20
  4. Step 4: Simplify right side
    664,848,048.20x = 357,759,420,784,918,080
  5. Step 5: Solve for x
    x = 357,759,420,784,918,080/664,848,048.20
  6. Step 6: Final answer
    x = 538,107,048.30

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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.