Finding the Fourth Proportional to 7,243,368,075.60, 10,865,052,113.40 and 2,585,393,998.80
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Solution
The fourth proportional to 7,243,368,075.60, 10,865,052,113.40 and 2,585,393,998.80 is: 3,878,090,998.20
Step by Step Solution
- Step 1: Write the proportion equation
7,243,368,075.60 : 10,865,052,113.40 = 2,585,393,998.80 : x - Step 2: Convert to fraction form
7,243,368,075.60/10,865,052,113.40 = 2,585,393,998.80/x - Step 3: Cross multiply
7,243,368,075.60x = 10,865,052,113.40 × 2,585,393,998.80 - Step 4: Simplify right side
7,243,368,075.60x = 28,090,440,530,633,617,408 - Step 5: Solve for x
x = 28,090,440,530,633,617,408/7,243,368,075.60 - Step 6: Final answer
x = 3,878,090,998.20
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Double scale
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Similar ratio
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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.