Finding the Fourth Proportional to 552,599,755.18, 762,931,818.33 and 351,769,945.06
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Solution
The fourth proportional to 552,599,755.18, 762,931,818.33 and 351,769,945.06 is: 485,661,604.63
Step by Step Solution
- Step 1: Write the proportion equation
552,599,755.18 : 762,931,818.33 = 351,769,945.06 : x - Step 2: Convert to fraction form
552,599,755.18/762,931,818.33 = 351,769,945.06/x - Step 3: Cross multiply
552,599,755.18x = 762,931,818.33 × 351,769,945.06 - Step 4: Simplify right side
552,599,755.18x = 268,376,483,818,470,016 - Step 5: Solve for x
x = 268,376,483,818,470,016/552,599,755.18 - Step 6: Final answer
x = 485,661,604.63
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1.5x scale
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.