Finding the Fourth Proportional to 513,877,560.57, 770,846,045.72 and 145,381,645.44
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Solution
The fourth proportional to 513,877,560.57, 770,846,045.72 and 145,381,645.44 is: 218,080,871.99
Step by Step Solution
- Step 1: Write the proportion equation
513,877,560.57 : 770,846,045.72 = 145,381,645.44 : x - Step 2: Convert to fraction form
513,877,560.57/770,846,045.72 = 145,381,645.44/x - Step 3: Cross multiply
513,877,560.57x = 770,846,045.72 × 145,381,645.44 - Step 4: Simplify right side
513,877,560.57x = 112,066,866,506,964,160 - Step 5: Solve for x
x = 112,066,866,506,964,160/513,877,560.57 - Step 6: Final answer
x = 218,080,871.99
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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.