Home / 689,496,542.80-1,034,244,814.20-603,403,100.80

Finding the Fourth Proportional to 689,496,542.80, 1,034,244,814.20 and 603,403,100.80

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Solution

The fourth proportional to 689,496,542.80, 1,034,244,814.20 and 603,403,100.80 is: 905,104,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,496,542.80 : 1,034,244,814.20 = 603,403,100.80 : x
  2. Step 2: Convert to fraction form
    689,496,542.80/1,034,244,814.20 = 603,403,100.80/x
  3. Step 3: Cross multiply
    689,496,542.80x = 1,034,244,814.20 × 603,403,100.80
  4. Step 4: Simplify right side
    689,496,542.80x = 624,066,527,874,599,808
  5. Step 5: Solve for x
    x = 624,066,527,874,599,808/689,496,542.80
  6. Step 6: Final answer
    x = 905,104,651.20

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Double scale
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Similar ratio
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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.