Finding the Fourth Proportional to 3,028,888,097,172.40, 4,543,611,444,831.20 and 989,133,855,848.12
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Solution
The fourth proportional to 3,028,888,097,172.40, 4,543,611,444,831.20 and 989,133,855,848.12 is: 1,483,791,993,536.21
Step by Step Solution
- Step 1: Write the proportion equation
3,028,888,097,172.40 : 4,543,611,444,831.20 = 989,133,855,848.12 : x - Step 2: Convert to fraction form
3,028,888,097,172.40/4,543,611,444,831.20 = 989,133,855,848.12/x - Step 3: Cross multiply
3,028,888,097,172.40x = 4,543,611,444,831.20 × 989,133,855,848.12 - Step 4: Simplify right side
3,028,888,097,172.40x = 4,494,239,907,901,532,721,381,376 - Step 5: Solve for x
x = 4,494,239,907,901,532,721,381,376/3,028,888,097,172.40 - Step 6: Final answer
x = 1,483,791,993,536.21
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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.