Finding the Fourth Proportional to 512,453,327.80, 768,679,991.70 and 236,104,007.80
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Solution
The fourth proportional to 512,453,327.80, 768,679,991.70 and 236,104,007.80 is: 354,156,011.70
Step by Step Solution
- Step 1: Write the proportion equation
512,453,327.80 : 768,679,991.70 = 236,104,007.80 : x - Step 2: Convert to fraction form
512,453,327.80/768,679,991.70 = 236,104,007.80/x - Step 3: Cross multiply
512,453,327.80x = 768,679,991.70 × 236,104,007.80 - Step 4: Simplify right side
512,453,327.80x = 181,488,426,756,040,768 - Step 5: Solve for x
x = 181,488,426,756,040,768/512,453,327.80 - Step 6: Final answer
x = 354,156,011.70
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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.