Finding the Fourth Proportional to 1,599,687,751.80, 2,399,531,627.70 and 824,846,773.80
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Solution
The fourth proportional to 1,599,687,751.80, 2,399,531,627.70 and 824,846,773.80 is: 1,237,270,160.70
Step by Step Solution
- Step 1: Write the proportion equation
1,599,687,751.80 : 2,399,531,627.70 = 824,846,773.80 : x - Step 2: Convert to fraction form
1,599,687,751.80/2,399,531,627.70 = 824,846,773.80/x - Step 3: Cross multiply
1,599,687,751.80x = 2,399,531,627.70 × 824,846,773.80 - Step 4: Simplify right side
1,599,687,751.80x = 1,979,245,921,739,407,360 - Step 5: Solve for x
x = 1,979,245,921,739,407,360/1,599,687,751.80 - Step 6: Final answer
x = 1,237,270,160.70
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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.