Finding the Fourth Proportional to 4,672,433,927.21, 6,447,959,134.03 and 2,557,889,871.44
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Solution
The fourth proportional to 4,672,433,927.21, 6,447,959,134.03 and 2,557,889,871.44 is: 3,529,888,194.75
Step by Step Solution
- Step 1: Write the proportion equation
4,672,433,927.21 : 6,447,959,134.03 = 2,557,889,871.44 : x - Step 2: Convert to fraction form
4,672,433,927.21/6,447,959,134.03 = 2,557,889,871.44/x - Step 3: Cross multiply
4,672,433,927.21x = 6,447,959,134.03 × 2,557,889,871.44 - Step 4: Simplify right side
4,672,433,927.21x = 16,493,169,360,394,371,072 - Step 5: Solve for x
x = 16,493,169,360,394,371,072/4,672,433,927.21 - Step 6: Final answer
x = 3,529,888,194.75
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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.