Finding the Fourth Proportional to 320,782,027.68, 442,679,625.36 and 174,104,330.40
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Solution
The fourth proportional to 320,782,027.68, 442,679,625.36 and 174,104,330.40 is: 240,264,207.79
Step by Step Solution
- Step 1: Write the proportion equation
320,782,027.68 : 442,679,625.36 = 174,104,330.40 : x - Step 2: Convert to fraction form
320,782,027.68/442,679,625.36 = 174,104,330.40/x - Step 3: Cross multiply
320,782,027.68x = 442,679,625.36 × 174,104,330.40 - Step 4: Simplify right side
320,782,027.68x = 77,072,439,755,025,664 - Step 5: Solve for x
x = 77,072,439,755,025,664/320,782,027.68 - Step 6: Final answer
x = 240,264,207.79
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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.