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Finding the Fourth Proportional to 1,775,673,609.30, 2,490,024,519.90 and 1,775,673,609.30

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Solution

The fourth proportional to 1,775,673,609.30, 2,490,024,519.90 and 1,775,673,609.30 is: 2,490,024,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,673,609.30 : 2,490,024,519.90 = 1,775,673,609.30 : x
  2. Step 2: Convert to fraction form
    1,775,673,609.30/2,490,024,519.90 = 1,775,673,609.30/x
  3. Step 3: Cross multiply
    1,775,673,609.30x = 2,490,024,519.90 × 1,775,673,609.30
  4. Step 4: Simplify right side
    1,775,673,609.30x = 4,421,470,826,496,332,800
  5. Step 5: Solve for x
    x = 4,421,470,826,496,332,800/1,775,673,609.30
  6. Step 6: Final answer
    x = 2,490,024,519.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.