Finding the Fourth Proportional to 694,877,052.23, 958,926,847.10 and 377,334,461.63
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Solution
The fourth proportional to 694,877,052.23, 958,926,847.10 and 377,334,461.63 is: 520,719,664.62
Step by Step Solution
- Step 1: Write the proportion equation
694,877,052.23 : 958,926,847.10 = 377,334,461.63 : x - Step 2: Convert to fraction form
694,877,052.23/958,926,847.10 = 377,334,461.63/x - Step 3: Cross multiply
694,877,052.23x = 958,926,847.10 × 377,334,461.63 - Step 4: Simplify right side
694,877,052.23x = 361,836,145,586,350,528 - Step 5: Solve for x
x = 361,836,145,586,350,528/694,877,052.23 - Step 6: Final answer
x = 520,719,664.62
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1.5x scale
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.