Finding the Fourth Proportional to 927,125,113.24, 1,279,432,363.53 and 509,464,302.73
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Solution
The fourth proportional to 927,125,113.24, 1,279,432,363.53 and 509,464,302.73 is: 703,060,576.90
Step by Step Solution
- Step 1: Write the proportion equation
927,125,113.24 : 1,279,432,363.53 = 509,464,302.73 : x - Step 2: Convert to fraction form
927,125,113.24/1,279,432,363.53 = 509,464,302.73/x - Step 3: Cross multiply
927,125,113.24x = 1,279,432,363.53 × 509,464,302.73 - Step 4: Simplify right side
927,125,113.24x = 651,825,116,976,007,296 - Step 5: Solve for x
x = 651,825,116,976,007,296/927,125,113.24 - Step 6: Final answer
x = 703,060,576.90
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Double scale
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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.