Finding the Fourth Proportional to 341,635,551.20, 512,453,326.80 and 157,402,671.20
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Solution
The fourth proportional to 341,635,551.20, 512,453,326.80 and 157,402,671.20 is: 236,104,006.80
Step by Step Solution
- Step 1: Write the proportion equation
341,635,551.20 : 512,453,326.80 = 157,402,671.20 : x - Step 2: Convert to fraction form
341,635,551.20/512,453,326.80 = 157,402,671.20/x - Step 3: Cross multiply
341,635,551.20x = 512,453,326.80 × 157,402,671.20 - Step 4: Simplify right side
341,635,551.20x = 80,661,522,503,646,544 - Step 5: Solve for x
x = 80,661,522,503,646,544/341,635,551.20 - Step 6: Final answer
x = 236,104,006.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.