Finding the Fourth Proportional to 454,276,570.10, 626,902,110.26 and 245,432,878.82
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Solution
The fourth proportional to 454,276,570.10, 626,902,110.26 and 245,432,878.82 is: 338,697,612.39
Step by Step Solution
- Step 1: Write the proportion equation
454,276,570.10 : 626,902,110.26 = 245,432,878.82 : x - Step 2: Convert to fraction form
454,276,570.10/626,902,110.26 = 245,432,878.82/x - Step 3: Cross multiply
454,276,570.10x = 626,902,110.26 × 245,432,878.82 - Step 4: Simplify right side
454,276,570.10x = 153,862,389,659,444,864 - Step 5: Solve for x
x = 153,862,389,659,444,864/454,276,570.10 - Step 6: Final answer
x = 338,697,612.39
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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.