Finding the Fourth Proportional to 737,440,873.21, 1,017,656,528.55 and 402,906,212.50
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Solution
The fourth proportional to 737,440,873.21, 1,017,656,528.55 and 402,906,212.50 is: 556,004,084.44
Step by Step Solution
- Step 1: Write the proportion equation
737,440,873.21 : 1,017,656,528.55 = 402,906,212.50 : x - Step 2: Convert to fraction form
737,440,873.21/1,017,656,528.55 = 402,906,212.50/x - Step 3: Cross multiply
737,440,873.21x = 1,017,656,528.55 × 402,906,212.50 - Step 4: Simplify right side
737,440,873.21x = 410,020,137,538,956,992 - Step 5: Solve for x
x = 410,020,137,538,956,992/737,440,873.21 - Step 6: Final answer
x = 556,004,084.44
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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.