Finding the Fourth Proportional to 2,230,304,358.51, 3,345,837,674.67 and 919,489,853.07
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Solution
The fourth proportional to 2,230,304,358.51, 3,345,837,674.67 and 919,489,853.07 is: 1,379,391,911.31
Step by Step Solution
- Step 1: Write the proportion equation
2,230,304,358.51 : 3,345,837,674.67 = 919,489,853.07 : x - Step 2: Convert to fraction form
2,230,304,358.51/3,345,837,674.67 = 919,489,853.07/x - Step 3: Cross multiply
2,230,304,358.51x = 3,345,837,674.67 × 919,489,853.07 - Step 4: Simplify right side
2,230,304,358.51x = 3,076,463,791,878,389,248 - Step 5: Solve for x
x = 3,076,463,791,878,389,248/2,230,304,358.51 - Step 6: Final answer
x = 1,379,391,911.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.