Finding the Fourth Proportional to 568,512,005.80, 852,768,008.70 and 245,395,877.80
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Solution
The fourth proportional to 568,512,005.80, 852,768,008.70 and 245,395,877.80 is: 368,093,816.70
Step by Step Solution
- Step 1: Write the proportion equation
568,512,005.80 : 852,768,008.70 = 245,395,877.80 : x - Step 2: Convert to fraction form
568,512,005.80/852,768,008.70 = 245,395,877.80/x - Step 3: Cross multiply
568,512,005.80x = 852,768,008.70 × 245,395,877.80 - Step 4: Simplify right side
568,512,005.80x = 209,265,754,054,694,560 - Step 5: Solve for x
x = 209,265,754,054,694,560/568,512,005.80 - Step 6: Final answer
x = 368,093,816.70
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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.