Finding the Fourth Proportional to 2,124,664,541.05, 3,186,996,811.58 and 744,299,687.65
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Solution
The fourth proportional to 2,124,664,541.05, 3,186,996,811.58 and 744,299,687.65 is: 1,116,449,531.48
Step by Step Solution
- Step 1: Write the proportion equation
2,124,664,541.05 : 3,186,996,811.58 = 744,299,687.65 : x - Step 2: Convert to fraction form
2,124,664,541.05/3,186,996,811.58 = 744,299,687.65/x - Step 3: Cross multiply
2,124,664,541.05x = 3,186,996,811.58 × 744,299,687.65 - Step 4: Simplify right side
2,124,664,541.05x = 2,372,080,731,400,539,648 - Step 5: Solve for x
x = 2,372,080,731,400,539,648/2,124,664,541.05 - Step 6: Final answer
x = 1,116,449,531.48
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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.