Finding the Fourth Proportional to 265,060,400,840.40, 397,646,508,854.97 and 85,972,479,106.08
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Solution
The fourth proportional to 265,060,400,840.40, 397,646,508,854.97 and 85,972,479,106.08 is: 128,976,852,316.48
Step by Step Solution
- Step 1: Write the proportion equation
265,060,400,840.40 : 397,646,508,854.97 = 85,972,479,106.08 : x - Step 2: Convert to fraction form
265,060,400,840.40/397,646,508,854.97 = 85,972,479,106.08/x - Step 3: Cross multiply
265,060,400,840.40x = 397,646,508,854.97 × 85,972,479,106.08 - Step 4: Simplify right side
265,060,400,840.40x = 34,186,656,174,139,561,213,952 - Step 5: Solve for x
x = 34,186,656,174,139,561,213,952/265,060,400,840.40 - Step 6: Final answer
x = 128,976,852,316.48
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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.