Home / 1,187,373,936.59-1,638,575,397.24-651,529,120.03

Finding the Fourth Proportional to 1,187,373,936.59, 1,638,575,397.24 and 651,529,120.03

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Solution

The fourth proportional to 1,187,373,936.59, 1,638,575,397.24 and 651,529,120.03 is: 899,109,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,373,936.59 : 1,638,575,397.24 = 651,529,120.03 : x
  2. Step 2: Convert to fraction form
    1,187,373,936.59/1,638,575,397.24 = 651,529,120.03/x
  3. Step 3: Cross multiply
    1,187,373,936.59x = 1,638,575,397.24 × 651,529,120.03
  4. Step 4: Simplify right side
    1,187,373,936.59x = 1,067,579,586,672,984,192
  5. Step 5: Solve for x
    x = 1,067,579,586,672,984,192/1,187,373,936.59
  6. Step 6: Final answer
    x = 899,109,837.07

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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.