Finding the Fourth Proportional to 288,089,042, 397,572,513.87 and 176,558,331.08
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Solution
The fourth proportional to 288,089,042, 397,572,513.87 and 176,558,331.08 is: 243,656,402.36
Step by Step Solution
- Step 1: Write the proportion equation
288,089,042 : 397,572,513.87 = 176,558,331.08 : x - Step 2: Convert to fraction form
288,089,042/397,572,513.87 = 176,558,331.08/x - Step 3: Cross multiply
288,089,042x = 397,572,513.87 × 176,558,331.08 - Step 4: Simplify right side
288,089,042x = 70,194,739,532,167,360 - Step 5: Solve for x
x = 70,194,739,532,167,360/288,089,042 - Step 6: Final answer
x = 243,656,402.36
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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.