Finding the Fourth Proportional to 2,506,213,441,621, 3,759,315,470,213.40 and 785,293,524,919.70
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Solution
The fourth proportional to 2,506,213,441,621, 3,759,315,470,213.40 and 785,293,524,919.70 is: 1,177,938,817,126.29
Step by Step Solution
- Step 1: Write the proportion equation
2,506,213,441,621 : 3,759,315,470,213.40 = 785,293,524,919.70 : x - Step 2: Convert to fraction form
2,506,213,441,621/3,759,315,470,213.40 = 785,293,524,919.70/x - Step 3: Cross multiply
2,506,213,441,621x = 3,759,315,470,213.40 × 785,293,524,919.70 - Step 4: Simplify right side
2,506,213,441,621x = 2,952,166,096,889,040,072,605,696 - Step 5: Solve for x
x = 2,952,166,096,889,040,072,605,696/2,506,213,441,621 - Step 6: Final answer
x = 1,177,938,817,126.29
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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.