Finding the Fourth Proportional to 2,293,797,934,979.40, 3,165,441,460,115.40 and 1,266,129,717,851
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Solution
The fourth proportional to 2,293,797,934,979.40, 3,165,441,460,115.40 and 1,266,129,717,851 is: 1,747,259,181,661.86
Step by Step Solution
- Step 1: Write the proportion equation
2,293,797,934,979.40 : 3,165,441,460,115.40 = 1,266,129,717,851 : x - Step 2: Convert to fraction form
2,293,797,934,979.40/3,165,441,460,115.40 = 1,266,129,717,851/x - Step 3: Cross multiply
2,293,797,934,979.40x = 3,165,441,460,115.40 × 1,266,129,717,851 - Step 4: Simplify right side
2,293,797,934,979.40x = 4,007,859,502,769,768,664,924,160 - Step 5: Solve for x
x = 4,007,859,502,769,768,664,924,160/2,293,797,934,979.40 - Step 6: Final answer
x = 1,747,259,181,661.86
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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.