Home / 1,000,047,143.88-1,379,934,183.96-576,676,442.16

Finding the Fourth Proportional to 1,000,047,143.88, 1,379,934,183.96 and 576,676,442.16

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Solution

The fourth proportional to 1,000,047,143.88, 1,379,934,183.96 and 576,676,442.16 is: 795,738,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,047,143.88 : 1,379,934,183.96 = 576,676,442.16 : x
  2. Step 2: Convert to fraction form
    1,000,047,143.88/1,379,934,183.96 = 576,676,442.16/x
  3. Step 3: Cross multiply
    1,000,047,143.88x = 1,379,934,183.96 × 576,676,442.16
  4. Step 4: Simplify right side
    1,000,047,143.88x = 795,775,535,621,015,680
  5. Step 5: Solve for x
    x = 795,775,535,621,015,680/1,000,047,143.88
  6. Step 6: Final answer
    x = 795,738,021.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.