Finding the Fourth Proportional to 1,224,160,877.40, 1,836,241,316.10 and 1,212,681,751.80
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Solution
The fourth proportional to 1,224,160,877.40, 1,836,241,316.10 and 1,212,681,751.80 is: 1,819,022,627.70
Step by Step Solution
- Step 1: Write the proportion equation
1,224,160,877.40 : 1,836,241,316.10 = 1,212,681,751.80 : x - Step 2: Convert to fraction form
1,224,160,877.40/1,836,241,316.10 = 1,212,681,751.80/x - Step 3: Cross multiply
1,224,160,877.40x = 1,836,241,316.10 × 1,212,681,751.80 - Step 4: Simplify right side
1,224,160,877.40x = 2,226,776,335,935,685,376 - Step 5: Solve for x
x = 2,226,776,335,935,685,376/1,224,160,877.40 - Step 6: Final answer
x = 1,819,022,627.70
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1.5x scale
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.