Finding the Fourth Proportional to 283,924,991.20, 425,887,486.80 and 181,888,319.20
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Solution
The fourth proportional to 283,924,991.20, 425,887,486.80 and 181,888,319.20 is: 272,832,478.80
Step by Step Solution
- Step 1: Write the proportion equation
283,924,991.20 : 425,887,486.80 = 181,888,319.20 : x - Step 2: Convert to fraction form
283,924,991.20/425,887,486.80 = 181,888,319.20/x - Step 3: Cross multiply
283,924,991.20x = 425,887,486.80 × 181,888,319.20 - Step 4: Simplify right side
283,924,991.20x = 77,463,959,142,364,176 - Step 5: Solve for x
x = 77,463,959,142,364,176/283,924,991.20 - Step 6: Final answer
x = 272,832,478.80
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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.