Finding the Fourth Proportional to 427,731,623.08, 590,253,834.18 and 232,157,136.04
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Solution
The fourth proportional to 427,731,623.08, 590,253,834.18 and 232,157,136.04 is: 320,368,268.99
Step by Step Solution
- Step 1: Write the proportion equation
427,731,623.08 : 590,253,834.18 = 232,157,136.04 : x - Step 2: Convert to fraction form
427,731,623.08/590,253,834.18 = 232,157,136.04/x - Step 3: Cross multiply
427,731,623.08x = 590,253,834.18 × 232,157,136.04 - Step 4: Simplify right side
427,731,623.08x = 137,031,639,679,857,840 - Step 5: Solve for x
x = 137,031,639,679,857,840/427,731,623.08 - Step 6: Final answer
x = 320,368,268.99
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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.