Home / 670,272,466.80-1,005,408,700.20-325,898,698.80

Finding the Fourth Proportional to 670,272,466.80, 1,005,408,700.20 and 325,898,698.80

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Solution

The fourth proportional to 670,272,466.80, 1,005,408,700.20 and 325,898,698.80 is: 488,848,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,272,466.80 : 1,005,408,700.20 = 325,898,698.80 : x
  2. Step 2: Convert to fraction form
    670,272,466.80/1,005,408,700.20 = 325,898,698.80/x
  3. Step 3: Cross multiply
    670,272,466.80x = 1,005,408,700.20 × 325,898,698.80
  4. Step 4: Simplify right side
    670,272,466.80x = 327,661,387,157,379,328
  5. Step 5: Solve for x
    x = 327,661,387,157,379,328/670,272,466.80
  6. Step 6: Final answer
    x = 488,848,048.20

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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.