Home / 1,780,291,071.63-2,669,890,051.43-1,231,122,528.47

Finding the Fourth Proportional to 1,780,291,071.63, 2,669,890,051.43 and 1,231,122,528.47

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Solution

The fourth proportional to 1,780,291,071.63, 2,669,890,051.43 and 1,231,122,528.47 is: 1,846,305,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,291,071.63 : 2,669,890,051.43 = 1,231,122,528.47 : x
  2. Step 2: Convert to fraction form
    1,780,291,071.63/2,669,890,051.43 = 1,231,122,528.47/x
  3. Step 3: Cross multiply
    1,780,291,071.63x = 2,669,890,051.43 × 1,231,122,528.47
  4. Step 4: Simplify right side
    1,780,291,071.63x = 3,286,961,790,853,399,552
  5. Step 5: Solve for x
    x = 3,286,961,790,853,399,552/1,780,291,071.63
  6. Step 6: Final answer
    x = 1,846,305,833.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.