Finding the Fourth Proportional to 637,959,294.08, 880,384,211.52 and 344,603,991.68
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Solution
The fourth proportional to 637,959,294.08, 880,384,211.52 and 344,603,991.68 is: 475,553,716.85
Step by Step Solution
- Step 1: Write the proportion equation
637,959,294.08 : 880,384,211.52 = 344,603,991.68 : x - Step 2: Convert to fraction form
637,959,294.08/880,384,211.52 = 344,603,991.68/x - Step 3: Cross multiply
637,959,294.08x = 880,384,211.52 × 344,603,991.68 - Step 4: Simplify right side
637,959,294.08x = 303,383,913,501,841,408 - Step 5: Solve for x
x = 303,383,913,501,841,408/637,959,294.08 - Step 6: Final answer
x = 475,553,716.85
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1.5x scale
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.