Finding the Fourth Proportional to 884,858,149.85, 1,221,106,712.09 and 482,975,527.40
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Solution
The fourth proportional to 884,858,149.85, 1,221,106,712.09 and 482,975,527.40 is: 666,507,573.42
Step by Step Solution
- Step 1: Write the proportion equation
884,858,149.85 : 1,221,106,712.09 = 482,975,527.40 : x - Step 2: Convert to fraction form
884,858,149.85/1,221,106,712.09 = 482,975,527.40/x - Step 3: Cross multiply
884,858,149.85x = 1,221,106,712.09 × 482,975,527.40 - Step 4: Simplify right side
884,858,149.85x = 589,764,658,277,242,112 - Step 5: Solve for x
x = 589,764,658,277,242,112/884,858,149.85 - Step 6: Final answer
x = 666,507,573.42
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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.