Finding the Fourth Proportional to 1,458,092,612.07, 2,011,526,586.81 and 854,955,376.92
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Solution
The fourth proportional to 1,458,092,612.07, 2,011,526,586.81 and 854,955,376.92 is: 1,179,462,440.85
Step by Step Solution
- Step 1: Write the proportion equation
1,458,092,612.07 : 2,011,526,586.81 = 854,955,376.92 : x - Step 2: Convert to fraction form
1,458,092,612.07/2,011,526,586.81 = 854,955,376.92/x - Step 3: Cross multiply
1,458,092,612.07x = 2,011,526,586.81 × 854,955,376.92 - Step 4: Simplify right side
1,458,092,612.07x = 1,719,765,471,210,744,576 - Step 5: Solve for x
x = 1,719,765,471,210,744,576/1,458,092,612.07 - Step 6: Final answer
x = 1,179,462,440.85
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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.