Home / 1,090,061,189.70-1,633,143,167.55-663,373,115.70

Finding the Fourth Proportional to 1,090,061,189.70, 1,633,143,167.55 and 663,373,115.70

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Solution

The fourth proportional to 1,090,061,189.70, 1,633,143,167.55 and 663,373,115.70 is: 993,873,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,061,189.70 : 1,633,143,167.55 = 663,373,115.70 : x
  2. Step 2: Convert to fraction form
    1,090,061,189.70/1,633,143,167.55 = 663,373,115.70/x
  3. Step 3: Cross multiply
    1,090,061,189.70x = 1,633,143,167.55 × 663,373,115.70
  4. Step 4: Simplify right side
    1,090,061,189.70x = 1,083,383,271,441,810,688
  5. Step 5: Solve for x
    x = 1,083,383,271,441,810,688/1,090,061,189.70
  6. Step 6: Final answer
    x = 993,873,813.40

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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.