Finding the Fourth Proportional to 289,718,906,088.08, 399,812,109,624.60 and 161,257,597,860.80
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Solution
The fourth proportional to 289,718,906,088.08, 399,812,109,624.60 and 161,257,597,860.80 is: 222,535,495,747.46
Step by Step Solution
- Step 1: Write the proportion equation
289,718,906,088.08 : 399,812,109,624.60 = 161,257,597,860.80 : x - Step 2: Convert to fraction form
289,718,906,088.08/399,812,109,624.60 = 161,257,597,860.80/x - Step 3: Cross multiply
289,718,906,088.08x = 399,812,109,624.60 × 161,257,597,860.80 - Step 4: Simplify right side
289,718,906,088.08x = 64,472,740,393,721,821,921,280 - Step 5: Solve for x
x = 64,472,740,393,721,821,921,280/289,718,906,088.08 - Step 6: Final answer
x = 222,535,495,747.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.