Finding the Fourth Proportional to 517,294,221.68, 714,799,819.84 and 368,356,770.84
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Solution
The fourth proportional to 517,294,221.68, 714,799,819.84 and 368,356,770.84 is: 508,997,283.17
Step by Step Solution
- Step 1: Write the proportion equation
517,294,221.68 : 714,799,819.84 = 368,356,770.84 : x - Step 2: Convert to fraction form
517,294,221.68/714,799,819.84 = 368,356,770.84/x - Step 3: Cross multiply
517,294,221.68x = 714,799,819.84 × 368,356,770.84 - Step 4: Simplify right side
517,294,221.68x = 263,301,353,433,276,160 - Step 5: Solve for x
x = 263,301,353,433,276,160/517,294,221.68 - Step 6: Final answer
x = 508,997,283.17
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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.