Finding the Fourth Proportional to 857,389,968,302.70, 1,286,084,952,454 and 857,389,968,302.70
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Solution
The fourth proportional to 857,389,968,302.70, 1,286,084,952,454 and 857,389,968,302.70 is: 1,286,084,952,454
Step by Step Solution
- Step 1: Write the proportion equation
857,389,968,302.70 : 1,286,084,952,454 = 857,389,968,302.70 : x - Step 2: Convert to fraction form
857,389,968,302.70/1,286,084,952,454 = 857,389,968,302.70/x - Step 3: Cross multiply
857,389,968,302.70x = 1,286,084,952,454 × 857,389,968,302.70 - Step 4: Simplify right side
857,389,968,302.70x = 1,102,676,336,619,114,480,009,216 - Step 5: Solve for x
x = 1,102,676,336,619,114,480,009,216/857,389,968,302.70 - Step 6: Final answer
x = 1,286,084,952,454
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Double scale
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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.