Home / 672,017,118.80-1,008,025,678.20-488,351,109.20

Finding the Fourth Proportional to 672,017,118.80, 1,008,025,678.20 and 488,351,109.20

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Solution

The fourth proportional to 672,017,118.80, 1,008,025,678.20 and 488,351,109.20 is: 732,526,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,017,118.80 : 1,008,025,678.20 = 488,351,109.20 : x
  2. Step 2: Convert to fraction form
    672,017,118.80/1,008,025,678.20 = 488,351,109.20/x
  3. Step 3: Cross multiply
    672,017,118.80x = 1,008,025,678.20 × 488,351,109.20
  4. Step 4: Simplify right side
    672,017,118.80x = 492,270,458,051,052,288
  5. Step 5: Solve for x
    x = 492,270,458,051,052,288/672,017,118.80
  6. Step 6: Final answer
    x = 732,526,663.80

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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.