Finding the Fourth Proportional to 713,318,512.05, 984,387,526.92 and 395,784,507.42
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Solution
The fourth proportional to 713,318,512.05, 984,387,526.92 and 395,784,507.42 is: 546,187,048.10
Step by Step Solution
- Step 1: Write the proportion equation
713,318,512.05 : 984,387,526.92 = 395,784,507.42 : x - Step 2: Convert to fraction form
713,318,512.05/984,387,526.92 = 395,784,507.42/x - Step 3: Cross multiply
713,318,512.05x = 984,387,526.92 × 395,784,507.42 - Step 4: Simplify right side
713,318,512.05x = 389,605,332,452,424,192 - Step 5: Solve for x
x = 389,605,332,452,424,192/713,318,512.05 - Step 6: Final answer
x = 546,187,048.10
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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.