Finding the Fourth Proportional to 1,394,522,816.04, 1,924,418,232.18 and 768,049,536.42
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Solution
The fourth proportional to 1,394,522,816.04, 1,924,418,232.18 and 768,049,536.42 is: 1,059,895,552.88
Step by Step Solution
- Step 1: Write the proportion equation
1,394,522,816.04 : 1,924,418,232.18 = 768,049,536.42 : x - Step 2: Convert to fraction form
1,394,522,816.04/1,924,418,232.18 = 768,049,536.42/x - Step 3: Cross multiply
1,394,522,816.04x = 1,924,418,232.18 × 768,049,536.42 - Step 4: Simplify right side
1,394,522,816.04x = 1,478,048,531,104,044,800 - Step 5: Solve for x
x = 1,478,048,531,104,044,800/1,394,522,816.04 - Step 6: Final answer
x = 1,059,895,552.88
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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.