Finding the Fourth Proportional to 734,120,894.92, 1,013,113,561.98 and 399,577,244.68
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Solution
The fourth proportional to 734,120,894.92, 1,013,113,561.98 and 399,577,244.68 is: 551,431,144.99
Step by Step Solution
- Step 1: Write the proportion equation
734,120,894.92 : 1,013,113,561.98 = 399,577,244.68 : x - Step 2: Convert to fraction form
734,120,894.92/1,013,113,561.98 = 399,577,244.68/x - Step 3: Cross multiply
734,120,894.92x = 1,013,113,561.98 × 399,577,244.68 - Step 4: Simplify right side
734,120,894.92x = 404,817,125,643,908,800 - Step 5: Solve for x
x = 404,817,125,643,908,800/734,120,894.92 - Step 6: Final answer
x = 551,431,144.99
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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.