Finding the Fourth Proportional to 649,366,771.68, 896,127,341.20 and 352,008,093.92
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Solution
The fourth proportional to 649,366,771.68, 896,127,341.20 and 352,008,093.92 is: 485,771,818.09
Step by Step Solution
- Step 1: Write the proportion equation
649,366,771.68 : 896,127,341.20 = 352,008,093.92 : x - Step 2: Convert to fraction form
649,366,771.68/896,127,341.20 = 352,008,093.92/x - Step 3: Cross multiply
649,366,771.68x = 896,127,341.20 × 352,008,093.92 - Step 4: Simplify right side
649,366,771.68x = 315,444,077,285,409,536 - Step 5: Solve for x
x = 315,444,077,285,409,536/649,366,771.68 - Step 6: Final answer
x = 485,771,818.09
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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.