Finding the Fourth Proportional to 2,796,888,197.34, 3,859,706,090.13 and 1,543,825,289.70
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Solution
The fourth proportional to 2,796,888,197.34, 3,859,706,090.13 and 1,543,825,289.70 is: 2,130,479,108.32
Step by Step Solution
- Step 1: Write the proportion equation
2,796,888,197.34 : 3,859,706,090.13 = 1,543,825,289.70 : x - Step 2: Convert to fraction form
2,796,888,197.34/3,859,706,090.13 = 1,543,825,289.70/x - Step 3: Cross multiply
2,796,888,197.34x = 3,859,706,090.13 × 1,543,825,289.70 - Step 4: Simplify right side
2,796,888,197.34x = 5,958,711,872,751,802,368 - Step 5: Solve for x
x = 5,958,711,872,751,802,368/2,796,888,197.34 - Step 6: Final answer
x = 2,130,479,108.32
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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.