Finding the Fourth Proportional to 427,746,850.07, 590,275,380.12 and 242,103,879.95
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Solution
The fourth proportional to 427,746,850.07, 590,275,380.12 and 242,103,879.95 is: 334,094,709.86
Step by Step Solution
- Step 1: Write the proportion equation
427,746,850.07 : 590,275,380.12 = 242,103,879.95 : x - Step 2: Convert to fraction form
427,746,850.07/590,275,380.12 = 242,103,879.95/x - Step 3: Cross multiply
427,746,850.07x = 590,275,380.12 × 242,103,879.95 - Step 4: Simplify right side
427,746,850.07x = 142,907,959,766,013,088 - Step 5: Solve for x
x = 142,907,959,766,013,088/427,746,850.07 - Step 6: Final answer
x = 334,094,709.86
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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.