Finding the Fourth Proportional to 637,779,609.84, 880,135,872.60 and 344,424,177.84
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Solution
The fourth proportional to 637,779,609.84, 880,135,872.60 and 344,424,177.84 is: 475,305,371.37
Step by Step Solution
- Step 1: Write the proportion equation
637,779,609.84 : 880,135,872.60 = 344,424,177.84 : x - Step 2: Convert to fraction form
637,779,609.84/880,135,872.60 = 344,424,177.84/x - Step 3: Cross multiply
637,779,609.84x = 880,135,872.60 × 344,424,177.84 - Step 4: Simplify right side
637,779,609.84x = 303,140,074,307,745,984 - Step 5: Solve for x
x = 303,140,074,307,745,984/637,779,609.84 - Step 6: Final answer
x = 475,305,371.37
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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.