Home / 1,116,122,556.20-1,674,183,834.30-873,992,431.40

Finding the Fourth Proportional to 1,116,122,556.20, 1,674,183,834.30 and 873,992,431.40

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Solution

The fourth proportional to 1,116,122,556.20, 1,674,183,834.30 and 873,992,431.40 is: 1,310,988,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,122,556.20 : 1,674,183,834.30 = 873,992,431.40 : x
  2. Step 2: Convert to fraction form
    1,116,122,556.20/1,674,183,834.30 = 873,992,431.40/x
  3. Step 3: Cross multiply
    1,116,122,556.20x = 1,674,183,834.30 × 873,992,431.40
  4. Step 4: Simplify right side
    1,116,122,556.20x = 1,463,223,999,950,431,744
  5. Step 5: Solve for x
    x = 1,463,223,999,950,431,744/1,116,122,556.20
  6. Step 6: Final answer
    x = 1,310,988,647.10

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Double scale
Find fourth proportional to 1,116,122,557.20, 1,674,183,835.80 and 873,992,432.40
Similar ratio
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1.5x scale

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.