Finding the Fourth Proportional to 1,838,659,421.80, 2,757,989,132.70 and 1,609,076,909.80
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Solution
The fourth proportional to 1,838,659,421.80, 2,757,989,132.70 and 1,609,076,909.80 is: 2,413,615,364.70
Step by Step Solution
- Step 1: Write the proportion equation
1,838,659,421.80 : 2,757,989,132.70 = 1,609,076,909.80 : x - Step 2: Convert to fraction form
1,838,659,421.80/2,757,989,132.70 = 1,609,076,909.80/x - Step 3: Cross multiply
1,838,659,421.80x = 2,757,989,132.70 × 1,609,076,909.80 - Step 4: Simplify right side
1,838,659,421.80x = 4,437,816,630,906,897,920 - Step 5: Solve for x
x = 4,437,816,630,906,897,920/1,838,659,421.80 - Step 6: Final answer
x = 2,413,615,364.70
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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.