Home / 20,245,148,907,900-27,937,830,285,168-11,912,175,337,688

Finding the Fourth Proportional to 20,245,148,907,900, 27,937,830,285,168 and 11,912,175,337,688

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Solution

The fourth proportional to 20,245,148,907,900, 27,937,830,285,168 and 11,912,175,337,688 is: 16,438,522,355,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245,148,907,900 : 27,937,830,285,168 = 11,912,175,337,688 : x
  2. Step 2: Convert to fraction form
    20,245,148,907,900/27,937,830,285,168 = 11,912,175,337,688/x
  3. Step 3: Cross multiply
    20,245,148,907,900x = 27,937,830,285,168 × 11,912,175,337,688
  4. Step 4: Simplify right side
    20,245,148,907,900x = 332,800,332,911,491,146,890,346,496
  5. Step 5: Solve for x
    x = 332,800,332,911,491,146,890,346,496/20,245,148,907,900
  6. Step 6: Final answer
    x = 16,438,522,355,428.41

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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.