Finding the Fourth Proportional to 1,344,784,832.84, 2,017,790,158.48 and 690,195,539.54
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Solution
The fourth proportional to 1,344,784,832.84, 2,017,790,158.48 and 690,195,539.54 is: 1,035,607,878.00
Step by Step Solution
- Step 1: Write the proportion equation
1,344,784,832.84 : 2,017,790,158.48 = 690,195,539.54 : x - Step 2: Convert to fraction form
1,344,784,832.84/2,017,790,158.48 = 690,195,539.54/x - Step 3: Cross multiply
1,344,784,832.84x = 2,017,790,158.48 × 690,195,539.54 - Step 4: Simplify right side
1,344,784,832.84x = 1,392,669,767,110,605,568 - Step 5: Solve for x
x = 1,392,669,767,110,605,568/1,344,784,832.84 - Step 6: Final answer
x = 1,035,607,878.00
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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.