Finding the Fourth Proportional to 2,449,523,816.80, 3,674,285,725.20 and 896,865,791.20
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Solution
The fourth proportional to 2,449,523,816.80, 3,674,285,725.20 and 896,865,791.20 is: 1,345,298,686.80
Step by Step Solution
- Step 1: Write the proportion equation
2,449,523,816.80 : 3,674,285,725.20 = 896,865,791.20 : x - Step 2: Convert to fraction form
2,449,523,816.80/3,674,285,725.20 = 896,865,791.20/x - Step 3: Cross multiply
2,449,523,816.80x = 3,674,285,725.20 × 896,865,791.20 - Step 4: Simplify right side
2,449,523,816.80x = 3,295,341,174,026,363,904 - Step 5: Solve for x
x = 3,295,341,174,026,363,904/2,449,523,816.80 - Step 6: Final answer
x = 1,345,298,686.80
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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.