Home / 1,213,988,629,847.30-1,675,306,275,341.10-665,192,736,771.27

Finding the Fourth Proportional to 1,213,988,629,847.30, 1,675,306,275,341.10 and 665,192,736,771.27

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Solution

The fourth proportional to 1,213,988,629,847.30, 1,675,306,275,341.10 and 665,192,736,771.27 is: 917,967,054,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,988,629,847.30 : 1,675,306,275,341.10 = 665,192,736,771.27 : x
  2. Step 2: Convert to fraction form
    1,213,988,629,847.30/1,675,306,275,341.10 = 665,192,736,771.27/x
  3. Step 3: Cross multiply
    1,213,988,629,847.30x = 1,675,306,275,341.10 × 665,192,736,771.27
  4. Step 4: Simplify right side
    1,213,988,629,847.30x = 1,114,401,566,224,229,257,445,376
  5. Step 5: Solve for x
    x = 1,114,401,566,224,229,257,445,376/1,213,988,629,847.30
  6. Step 6: Final answer
    x = 917,967,054,077.27

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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.