Finding the Fourth Proportional to 5,537,699,466.92, 7,642,025,637.06 and 3,031,573,178.60
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Solution
The fourth proportional to 5,537,699,466.92, 7,642,025,637.06 and 3,031,573,178.60 is: 4,183,571,190.51
Step by Step Solution
- Step 1: Write the proportion equation
5,537,699,466.92 : 7,642,025,637.06 = 3,031,573,178.60 : x - Step 2: Convert to fraction form
5,537,699,466.92/7,642,025,637.06 = 3,031,573,178.60/x - Step 3: Cross multiply
5,537,699,466.92x = 7,642,025,637.06 × 3,031,573,178.60 - Step 4: Simplify right side
5,537,699,466.92x = 23,167,359,951,484,674,048 - Step 5: Solve for x
x = 23,167,359,951,484,674,048/5,537,699,466.92 - Step 6: Final answer
x = 4,183,571,190.51
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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.