Finding the Fourth Proportional to 2,316,876,075.60, 3,475,314,113.40 and 2,126,407,621.20
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Solution
The fourth proportional to 2,316,876,075.60, 3,475,314,113.40 and 2,126,407,621.20 is: 3,189,611,431.80
Step by Step Solution
- Step 1: Write the proportion equation
2,316,876,075.60 : 3,475,314,113.40 = 2,126,407,621.20 : x - Step 2: Convert to fraction form
2,316,876,075.60/3,475,314,113.40 = 2,126,407,621.20/x - Step 3: Cross multiply
2,316,876,075.60x = 3,475,314,113.40 × 2,126,407,621.20 - Step 4: Simplify right side
2,316,876,075.60x = 7,389,934,416,797,681,664 - Step 5: Solve for x
x = 7,389,934,416,797,681,664/2,316,876,075.60 - Step 6: Final answer
x = 3,189,611,431.80
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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.