Finding the Fourth Proportional to 1,384,129,564.60, 2,076,194,346.90 and 1,335,756,623.80
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Solution
The fourth proportional to 1,384,129,564.60, 2,076,194,346.90 and 1,335,756,623.80 is: 2,003,634,935.70
Step by Step Solution
- Step 1: Write the proportion equation
1,384,129,564.60 : 2,076,194,346.90 = 1,335,756,623.80 : x - Step 2: Convert to fraction form
1,384,129,564.60/2,076,194,346.90 = 1,335,756,623.80/x - Step 3: Cross multiply
1,384,129,564.60x = 2,076,194,346.90 × 1,335,756,623.80 - Step 4: Simplify right side
1,384,129,564.60x = 2,773,290,351,167,790,080 - Step 5: Solve for x
x = 2,773,290,351,167,790,080/1,384,129,564.60 - Step 6: Final answer
x = 2,003,634,935.70
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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.