Finding the Fourth Proportional to 696,000,772.68, 960,246,014.07 and 394,553,766.30
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Solution
The fourth proportional to 696,000,772.68, 960,246,014.07 and 394,553,766.30 is: 544,350,949.45
Step by Step Solution
- Step 1: Write the proportion equation
696,000,772.68 : 960,246,014.07 = 394,553,766.30 : x - Step 2: Convert to fraction form
696,000,772.68/960,246,014.07 = 394,553,766.30/x - Step 3: Cross multiply
696,000,772.68x = 960,246,014.07 × 394,553,766.30 - Step 4: Simplify right side
696,000,772.68x = 378,868,681,421,080,128 - Step 5: Solve for x
x = 378,868,681,421,080,128/696,000,772.68 - Step 6: Final answer
x = 544,350,949.45
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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.