Finding the Fourth Proportional to 778,504,807.80, 1,167,757,211.70 and 233,246,341.80
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Solution
The fourth proportional to 778,504,807.80, 1,167,757,211.70 and 233,246,341.80 is: 349,869,512.70
Step by Step Solution
- Step 1: Write the proportion equation
778,504,807.80 : 1,167,757,211.70 = 233,246,341.80 : x - Step 2: Convert to fraction form
778,504,807.80/1,167,757,211.70 = 233,246,341.80/x - Step 3: Cross multiply
778,504,807.80x = 1,167,757,211.70 × 233,246,341.80 - Step 4: Simplify right side
778,504,807.80x = 272,375,097,739,593,184 - Step 5: Solve for x
x = 272,375,097,739,593,184/778,504,807.80 - Step 6: Final answer
x = 349,869,512.70
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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.