Finding the Fourth Proportional to 927,183,832.32, 1,279,523,877.12 and 509,496,228.48
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Solution
The fourth proportional to 927,183,832.32, 1,279,523,877.12 and 509,496,228.48 is: 703,110,393.99
Step by Step Solution
- Step 1: Write the proportion equation
927,183,832.32 : 1,279,523,877.12 = 509,496,228.48 : x - Step 2: Convert to fraction form
927,183,832.32/1,279,523,877.12 = 509,496,228.48/x - Step 3: Cross multiply
927,183,832.32x = 1,279,523,877.12 × 509,496,228.48 - Step 4: Simplify right side
927,183,832.32x = 651,912,589,642,746,880 - Step 5: Solve for x
x = 651,912,589,642,746,880/927,183,832.32 - Step 6: Final answer
x = 703,110,393.99
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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.