Finding the Fourth Proportional to 453,828,821.84, 626,300,479.32 and 252,903,751.84
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Solution
The fourth proportional to 453,828,821.84, 626,300,479.32 and 252,903,751.84 is: 349,016,486.78
Step by Step Solution
- Step 1: Write the proportion equation
453,828,821.84 : 626,300,479.32 = 252,903,751.84 : x - Step 2: Convert to fraction form
453,828,821.84/626,300,479.32 = 252,903,751.84/x - Step 3: Cross multiply
453,828,821.84x = 626,300,479.32 × 252,903,751.84 - Step 4: Simplify right side
453,828,821.84x = 158,393,740,999,218,336 - Step 5: Solve for x
x = 158,393,740,999,218,336/453,828,821.84 - Step 6: Final answer
x = 349,016,486.78
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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.