Finding the Fourth Proportional to 319,210,736.23, 440,119,454.37 and 262,497,288.52
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Solution
The fourth proportional to 319,210,736.23, 440,119,454.37 and 262,497,288.52 is: 361,924,428.87
Step by Step Solution
- Step 1: Write the proportion equation
319,210,736.23 : 440,119,454.37 = 262,497,288.52 : x - Step 2: Convert to fraction form
319,210,736.23/440,119,454.37 = 262,497,288.52/x - Step 3: Cross multiply
319,210,736.23x = 440,119,454.37 × 262,497,288.52 - Step 4: Simplify right side
319,210,736.23x = 115,530,163,399,302,000 - Step 5: Solve for x
x = 115,530,163,399,302,000/319,210,736.23 - Step 6: Final answer
x = 361,924,428.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.