Finding the Fourth Proportional to 460,990,121.70, 691,486,363.52 and 188,360,888.70
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Solution
The fourth proportional to 460,990,121.70, 691,486,363.52 and 188,360,888.70 is: 282,541,815.60
Step by Step Solution
- Step 1: Write the proportion equation
460,990,121.70 : 691,486,363.52 = 188,360,888.70 : x - Step 2: Convert to fraction form
460,990,121.70/691,486,363.52 = 188,360,888.70/x - Step 3: Cross multiply
460,990,121.70x = 691,486,363.52 × 188,360,888.70 - Step 4: Simplify right side
460,990,121.70x = 130,248,985,956,558,448 - Step 5: Solve for x
x = 130,248,985,956,558,448/460,990,121.70 - Step 6: Final answer
x = 282,541,815.60
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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.