Finding the Fourth Proportional to 683,513,715.24, 943,253,455.68 and 370,247,928.96
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Solution
The fourth proportional to 683,513,715.24, 943,253,455.68 and 370,247,928.96 is: 510,944,595.06
Step by Step Solution
- Step 1: Write the proportion equation
683,513,715.24 : 943,253,455.68 = 370,247,928.96 : x - Step 2: Convert to fraction form
683,513,715.24/943,253,455.68 = 370,247,928.96/x - Step 3: Cross multiply
683,513,715.24x = 943,253,455.68 × 370,247,928.96 - Step 4: Simplify right side
683,513,715.24x = 349,237,638,449,883,136 - Step 5: Solve for x
x = 349,237,638,449,883,136/683,513,715.24 - Step 6: Final answer
x = 510,944,595.06
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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.