Finding the Fourth Proportional to 8,990,725,497.40, 13,486,088,246.10 and 8,852,975,990.20
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Solution
The fourth proportional to 8,990,725,497.40, 13,486,088,246.10 and 8,852,975,990.20 is: 13,279,463,985.30
Step by Step Solution
- Step 1: Write the proportion equation
8,990,725,497.40 : 13,486,088,246.10 = 8,852,975,990.20 : x - Step 2: Convert to fraction form
8,990,725,497.40/13,486,088,246.10 = 8,852,975,990.20/x - Step 3: Cross multiply
8,990,725,497.40x = 13,486,088,246.10 × 8,852,975,990.20 - Step 4: Simplify right side
8,990,725,497.40x = 119,392,015,444,441,743,360 - Step 5: Solve for x
x = 119,392,015,444,441,743,360/8,990,725,497.40 - Step 6: Final answer
x = 13,279,463,985.30
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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.