Finding the Fourth Proportional to 283,784,309.36, 391,815,987.48 and 183,555,699.68
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Solution
The fourth proportional to 283,784,309.36, 391,815,987.48 and 183,555,699.68 is: 253,432,115.01
Step by Step Solution
- Step 1: Write the proportion equation
283,784,309.36 : 391,815,987.48 = 183,555,699.68 : x - Step 2: Convert to fraction form
283,784,309.36/391,815,987.48 = 183,555,699.68/x - Step 3: Cross multiply
283,784,309.36x = 391,815,987.48 × 183,555,699.68 - Step 4: Simplify right side
283,784,309.36x = 71,920,057,727,701,528 - Step 5: Solve for x
x = 71,920,057,727,701,528/283,784,309.36 - Step 6: Final answer
x = 253,432,115.01
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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.