Home / 672,014,589.80-1,008,021,884.70-488,348,580.20

Finding the Fourth Proportional to 672,014,589.80, 1,008,021,884.70 and 488,348,580.20

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Solution

The fourth proportional to 672,014,589.80, 1,008,021,884.70 and 488,348,580.20 is: 732,522,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,014,589.80 : 1,008,021,884.70 = 488,348,580.20 : x
  2. Step 2: Convert to fraction form
    672,014,589.80/1,008,021,884.70 = 488,348,580.20/x
  3. Step 3: Cross multiply
    672,014,589.80x = 1,008,021,884.70 × 488,348,580.20
  4. Step 4: Simplify right side
    672,014,589.80x = 492,266,056,203,773,120
  5. Step 5: Solve for x
    x = 492,266,056,203,773,120/672,014,589.80
  6. Step 6: Final answer
    x = 732,522,870.30

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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.