Finding the Fourth Proportional to 552,599,752.68, 762,931,814.88 and 351,769,942.56
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Solution
The fourth proportional to 552,599,752.68, 762,931,814.88 and 351,769,942.56 is: 485,661,601.18
Step by Step Solution
- Step 1: Write the proportion equation
552,599,752.68 : 762,931,814.88 = 351,769,942.56 : x - Step 2: Convert to fraction form
552,599,752.68/762,931,814.88 = 351,769,942.56/x - Step 3: Cross multiply
552,599,752.68x = 762,931,814.88 × 351,769,942.56 - Step 4: Simplify right side
552,599,752.68x = 268,376,480,697,534,144 - Step 5: Solve for x
x = 268,376,480,697,534,144/552,599,752.68 - Step 6: Final answer
x = 485,661,601.18
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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.