Finding the Fourth Proportional to 1,236,576,026.93, 1,855,783,568.66 and 499,652,339.09
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Solution
The fourth proportional to 1,236,576,026.93, 1,855,783,568.66 and 499,652,339.09 is: 749,850,054.28
Step by Step Solution
- Step 1: Write the proportion equation
1,236,576,026.93 : 1,855,783,568.66 = 499,652,339.09 : x - Step 2: Convert to fraction form
1,236,576,026.93/1,855,783,568.66 = 499,652,339.09/x - Step 3: Cross multiply
1,236,576,026.93x = 1,855,783,568.66 × 499,652,339.09 - Step 4: Simplify right side
1,236,576,026.93x = 927,246,600,913,979,392 - Step 5: Solve for x
x = 927,246,600,913,979,392/1,236,576,026.93 - Step 6: Final answer
x = 749,850,054.28
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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.