Finding the Fourth Proportional to 972,068,868.08, 1,341,310,732.97 and 590,392,285.73
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Solution
The fourth proportional to 972,068,868.08, 1,341,310,732.97 and 590,392,285.73 is: 814,653,709.75
Step by Step Solution
- Step 1: Write the proportion equation
972,068,868.08 : 1,341,310,732.97 = 590,392,285.73 : x - Step 2: Convert to fraction form
972,068,868.08/1,341,310,732.97 = 590,392,285.73/x - Step 3: Cross multiply
972,068,868.08x = 1,341,310,732.97 × 590,392,285.73 - Step 4: Simplify right side
972,068,868.08x = 791,899,509,512,339,968 - Step 5: Solve for x
x = 791,899,509,512,339,968/972,068,868.08 - Step 6: Final answer
x = 814,653,709.75
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1.5x scale
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.