Finding the Fourth Proportional to 610,164,581.87, 841,991,366.85 and 331,703,669.63
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Solution
The fourth proportional to 610,164,581.87, 841,991,366.85 and 331,703,669.63 is: 457,731,625.99
Step by Step Solution
- Step 1: Write the proportion equation
610,164,581.87 : 841,991,366.85 = 331,703,669.63 : x - Step 2: Convert to fraction form
610,164,581.87/841,991,366.85 = 331,703,669.63/x - Step 3: Cross multiply
610,164,581.87x = 841,991,366.85 × 331,703,669.63 - Step 4: Simplify right side
610,164,581.87x = 279,291,626,181,788,928 - Step 5: Solve for x
x = 279,291,626,181,788,928/610,164,581.87 - Step 6: Final answer
x = 457,731,625.99
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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.