Finding the Fourth Proportional to 517,294,222.68, 714,799,821.22 and 368,356,771.84
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Solution
The fourth proportional to 517,294,222.68, 714,799,821.22 and 368,356,771.84 is: 508,997,284.55
Step by Step Solution
- Step 1: Write the proportion equation
517,294,222.68 : 714,799,821.22 = 368,356,771.84 : x - Step 2: Convert to fraction form
517,294,222.68/714,799,821.22 = 368,356,771.84/x - Step 3: Cross multiply
517,294,222.68x = 714,799,821.22 × 368,356,771.84 - Step 4: Simplify right side
517,294,222.68x = 263,301,354,656,408,320 - Step 5: Solve for x
x = 263,301,354,656,408,320/517,294,222.68 - Step 6: Final answer
x = 508,997,284.55
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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.