Finding the Fourth Proportional to 432,037,715.98, 647,983,479.76 and 121,073,763.19
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Solution
The fourth proportional to 432,037,715.98, 647,983,479.76 and 121,073,763.19 is: 181,590,160.95
Step by Step Solution
- Step 1: Write the proportion equation
432,037,715.98 : 647,983,479.76 = 121,073,763.19 : x - Step 2: Convert to fraction form
432,037,715.98/647,983,479.76 = 121,073,763.19/x - Step 3: Cross multiply
432,037,715.98x = 647,983,479.76 × 121,073,763.19 - Step 4: Simplify right side
432,037,715.98x = 78,453,798,379,869,728 - Step 5: Solve for x
x = 78,453,798,379,869,728/432,037,715.98 - Step 6: Final answer
x = 181,590,160.95
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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.