Home / 20,798,415,356.24-28,699,391,806.26-11,643,445,506.62

Finding the Fourth Proportional to 20,798,415,356.24, 28,699,391,806.26 and 11,643,445,506.62

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Solution

The fourth proportional to 20,798,415,356.24, 28,699,391,806.26 and 11,643,445,506.62 is: 16,066,599,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,415,356.24 : 28,699,391,806.26 = 11,643,445,506.62 : x
  2. Step 2: Convert to fraction form
    20,798,415,356.24/28,699,391,806.26 = 11,643,445,506.62/x
  3. Step 3: Cross multiply
    20,798,415,356.24x = 28,699,391,806.26 × 11,643,445,506.62
  4. Step 4: Simplify right side
    20,798,415,356.24x = 334,159,804,569,324,879,872
  5. Step 5: Solve for x
    x = 334,159,804,569,324,879,872/20,798,415,356.24
  6. Step 6: Final answer
    x = 16,066,599,250.27

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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.