Finding the Fourth Proportional to 1,119,348,214,592.60, 1,679,190,204,451.60 and 393,151,549,034.80
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Solution
The fourth proportional to 1,119,348,214,592.60, 1,679,190,204,451.60 and 393,151,549,034.80 is: 589,786,289,375.99
Step by Step Solution
- Step 1: Write the proportion equation
1,119,348,214,592.60 : 1,679,190,204,451.60 = 393,151,549,034.80 : x - Step 2: Convert to fraction form
1,119,348,214,592.60/1,679,190,204,451.60 = 393,151,549,034.80/x - Step 3: Cross multiply
1,119,348,214,592.60x = 1,679,190,204,451.60 × 393,151,549,034.80 - Step 4: Simplify right side
1,119,348,214,592.60x = 660,176,230,004,209,007,722,496 - Step 5: Solve for x
x = 660,176,230,004,209,007,722,496/1,119,348,214,592.60 - Step 6: Final answer
x = 589,786,289,375.99
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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.