Finding the Fourth Proportional to 949,151,953.41, 1,423,207,768.86 and 293,921,072.43
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Solution
The fourth proportional to 949,151,953.41, 1,423,207,768.86 and 293,921,072.43 is: 440,720,531.85
Step by Step Solution
- Step 1: Write the proportion equation
949,151,953.41 : 1,423,207,768.86 = 293,921,072.43 : x - Step 2: Convert to fraction form
949,151,953.41/1,423,207,768.86 = 293,921,072.43/x - Step 3: Cross multiply
949,151,953.41x = 1,423,207,768.86 × 293,921,072.43 - Step 4: Simplify right side
949,151,953.41x = 418,310,753,714,038,720 - Step 5: Solve for x
x = 418,310,753,714,038,720/949,151,953.41 - Step 6: Final answer
x = 440,720,531.85
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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.