Finding the Fourth Proportional to 612,932,785.12, 845,865,106.50 and 334,492,243.48
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Solution
The fourth proportional to 612,932,785.12, 845,865,106.50 and 334,492,243.48 is: 461,609,044.29
Step by Step Solution
- Step 1: Write the proportion equation
612,932,785.12 : 845,865,106.50 = 334,492,243.48 : x - Step 2: Convert to fraction form
612,932,785.12/845,865,106.50 = 334,492,243.48/x - Step 3: Cross multiply
612,932,785.12x = 845,865,106.50 × 334,492,243.48 - Step 4: Simplify right side
612,932,785.12x = 282,935,317,154,634,144 - Step 5: Solve for x
x = 282,935,317,154,634,144/612,932,785.12 - Step 6: Final answer
x = 461,609,044.29
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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.