Finding the Fourth Proportional to 5,905,566,915.19, 8,145,842,313.59 and 3,787,668,241.99
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Solution
The fourth proportional to 5,905,566,915.19, 8,145,842,313.59 and 3,787,668,241.99 is: 5,224,519,284.69
Step by Step Solution
- Step 1: Write the proportion equation
5,905,566,915.19 : 8,145,842,313.59 = 3,787,668,241.99 : x - Step 2: Convert to fraction form
5,905,566,915.19/8,145,842,313.59 = 3,787,668,241.99/x - Step 3: Cross multiply
5,905,566,915.19x = 8,145,842,313.59 × 3,787,668,241.99 - Step 4: Simplify right side
5,905,566,915.19x = 30,853,748,235,417,145,344 - Step 5: Solve for x
x = 30,853,748,235,417,145,344/5,905,566,915.19 - Step 6: Final answer
x = 5,224,519,284.69
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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.