Finding the Fourth Proportional to 1,902,192,975.40, 2,615,717,714.88 and 1,650,861,027.51
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Solution
The fourth proportional to 1,902,192,975.40, 2,615,717,714.88 and 1,650,861,027.51 is: 2,270,109,547.41
Step by Step Solution
- Step 1: Write the proportion equation
1,902,192,975.40 : 2,615,717,714.88 = 1,650,861,027.51 : x - Step 2: Convert to fraction form
1,902,192,975.40/2,615,717,714.88 = 1,650,861,027.51/x - Step 3: Cross multiply
1,902,192,975.40x = 2,615,717,714.88 × 1,650,861,027.51 - Step 4: Simplify right side
1,902,192,975.40x = 4,318,186,434,462,906,368 - Step 5: Solve for x
x = 4,318,186,434,462,906,368/1,902,192,975.40 - Step 6: Final answer
x = 2,270,109,547.41
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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.