Finding the Fourth Proportional to 696,426,272.08, 960,524,240.97 and 431,959,972.84
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Solution
The fourth proportional to 696,426,272.08, 960,524,240.97 and 431,959,972.84 is: 595,767,336.29
Step by Step Solution
- Step 1: Write the proportion equation
696,426,272.08 : 960,524,240.97 = 431,959,972.84 : x - Step 2: Convert to fraction form
696,426,272.08/960,524,240.97 = 431,959,972.84/x - Step 3: Cross multiply
696,426,272.08x = 960,524,240.97 × 431,959,972.84 - Step 4: Simplify right side
696,426,272.08x = 414,908,025,041,562,816 - Step 5: Solve for x
x = 414,908,025,041,562,816/696,426,272.08 - Step 6: Final answer
x = 595,767,336.29
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1.5x scale
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.