Finding the Fourth Proportional to 6,637,723,172.28, 9,963,672,893.46 and 2,857,987,901.88
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Solution
The fourth proportional to 6,637,723,172.28, 9,963,672,893.46 and 2,857,987,901.88 is: 4,290,033,773.44
Step by Step Solution
- Step 1: Write the proportion equation
6,637,723,172.28 : 9,963,672,893.46 = 2,857,987,901.88 : x - Step 2: Convert to fraction form
6,637,723,172.28/9,963,672,893.46 = 2,857,987,901.88/x - Step 3: Cross multiply
6,637,723,172.28x = 9,963,672,893.46 × 2,857,987,901.88 - Step 4: Simplify right side
6,637,723,172.28x = 28,476,056,587,798,372,352 - Step 5: Solve for x
x = 28,476,056,587,798,372,352/6,637,723,172.28 - Step 6: Final answer
x = 4,290,033,773.44
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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.