Finding the Fourth Proportional to 386,276,110.40, 579,516,808.80 and 167,832,718.40
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Solution
The fourth proportional to 386,276,110.40, 579,516,808.80 and 167,832,718.40 is: 251,793,674.94
Step by Step Solution
- Step 1: Write the proportion equation
386,276,110.40 : 579,516,808.80 = 167,832,718.40 : x - Step 2: Convert to fraction form
386,276,110.40/579,516,808.80 = 167,832,718.40/x - Step 3: Cross multiply
386,276,110.40x = 579,516,808.80 × 167,832,718.40 - Step 4: Simplify right side
386,276,110.40x = 97,261,881,379,397,040 - Step 5: Solve for x
x = 97,261,881,379,397,040/386,276,110.40 - Step 6: Final answer
x = 251,793,674.94
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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.