Finding the Fourth Proportional to 6,390,725,936.40, 9,586,088,904.60 and 5,696,876,566.80
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Solution
The fourth proportional to 6,390,725,936.40, 9,586,088,904.60 and 5,696,876,566.80 is: 8,545,314,850.20
Step by Step Solution
- Step 1: Write the proportion equation
6,390,725,936.40 : 9,586,088,904.60 = 5,696,876,566.80 : x - Step 2: Convert to fraction form
6,390,725,936.40/9,586,088,904.60 = 5,696,876,566.80/x - Step 3: Cross multiply
6,390,725,936.40x = 9,586,088,904.60 × 5,696,876,566.80 - Step 4: Simplify right side
6,390,725,936.40x = 54,610,765,247,877,226,496 - Step 5: Solve for x
x = 54,610,765,247,877,226,496/6,390,725,936.40 - Step 6: Final answer
x = 8,545,314,850.20
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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.