Home / 637,106,479,948.80-879,207,295,029.85-344,131,401,266.40

Finding the Fourth Proportional to 637,106,479,948.80, 879,207,295,029.85 and 344,131,401,266.40

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Solution

The fourth proportional to 637,106,479,948.80, 879,207,295,029.85 and 344,131,401,266.40 is: 474,901,524,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,106,479,948.80 : 879,207,295,029.85 = 344,131,401,266.40 : x
  2. Step 2: Convert to fraction form
    637,106,479,948.80/879,207,295,029.85 = 344,131,401,266.40/x
  3. Step 3: Cross multiply
    637,106,479,948.80x = 879,207,295,029.85 × 344,131,401,266.40
  4. Step 4: Simplify right side
    637,106,479,948.80x = 302,562,838,442,263,451,795,456
  5. Step 5: Solve for x
    x = 302,562,838,442,263,451,795,456/637,106,479,948.80
  6. Step 6: Final answer
    x = 474,901,524,257.89

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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.