Finding the Fourth Proportional to 877,536,211.20, 1,316,304,316.80 and 295,076,875.20
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Solution
The fourth proportional to 877,536,211.20, 1,316,304,316.80 and 295,076,875.20 is: 442,615,312.80
Step by Step Solution
- Step 1: Write the proportion equation
877,536,211.20 : 1,316,304,316.80 = 295,076,875.20 : x - Step 2: Convert to fraction form
877,536,211.20/1,316,304,316.80 = 295,076,875.20/x - Step 3: Cross multiply
877,536,211.20x = 1,316,304,316.80 × 295,076,875.20 - Step 4: Simplify right side
877,536,211.20x = 388,410,964,613,614,848 - Step 5: Solve for x
x = 388,410,964,613,614,848/877,536,211.20 - Step 6: Final answer
x = 442,615,312.80
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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.