Home / 1,131,352,741.10-1,561,402,698.72-685,303,016.65

Finding the Fourth Proportional to 1,131,352,741.10, 1,561,402,698.72 and 685,303,016.65

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Solution

The fourth proportional to 1,131,352,741.10, 1,561,402,698.72 and 685,303,016.65 is: 945,800,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,352,741.10 : 1,561,402,698.72 = 685,303,016.65 : x
  2. Step 2: Convert to fraction form
    1,131,352,741.10/1,561,402,698.72 = 685,303,016.65/x
  3. Step 3: Cross multiply
    1,131,352,741.10x = 1,561,402,698.72 × 685,303,016.65
  4. Step 4: Simplify right side
    1,131,352,741.10x = 1,070,033,979,638,267,136
  5. Step 5: Solve for x
    x = 1,070,033,979,638,267,136/1,131,352,741.10
  6. Step 6: Final answer
    x = 945,800,492.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.