Finding the Fourth Proportional to 929,842,494.80, 1,394,935,378 and 384,626,544.08
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Solution
The fourth proportional to 929,842,494.80, 1,394,935,378 and 384,626,544.08 is: 577,010,812.75
Step by Step Solution
- Step 1: Write the proportion equation
929,842,494.80 : 1,394,935,378 = 384,626,544.08 : x - Step 2: Convert to fraction form
929,842,494.80/1,394,935,378 = 384,626,544.08/x - Step 3: Cross multiply
929,842,494.80x = 1,394,935,378 × 384,626,544.08 - Step 4: Simplify right side
929,842,494.80x = 536,529,173,655,068,416 - Step 5: Solve for x
x = 536,529,173,655,068,416/929,842,494.80 - Step 6: Final answer
x = 577,010,812.75
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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.