Finding the Fourth Proportional to 6,221,837,434.70, 8,586,801,057.53 and 3,812,119,129.53
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Solution
The fourth proportional to 6,221,837,434.70, 8,586,801,057.53 and 3,812,119,129.53 is: 5,261,132,087.82
Step by Step Solution
- Step 1: Write the proportion equation
6,221,837,434.70 : 8,586,801,057.53 = 3,812,119,129.53 : x - Step 2: Convert to fraction form
6,221,837,434.70/8,586,801,057.53 = 3,812,119,129.53/x - Step 3: Cross multiply
6,221,837,434.70x = 8,586,801,057.53 × 3,812,119,129.53 - Step 4: Simplify right side
6,221,837,434.70x = 32,733,908,572,887,699,456 - Step 5: Solve for x
x = 32,733,908,572,887,699,456/6,221,837,434.70 - Step 6: Final answer
x = 5,261,132,087.82
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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.