Finding the Fourth Proportional to 753,165,581.68, 1,039,341,993.36 and 414,071,588.32
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Solution
The fourth proportional to 753,165,581.68, 1,039,341,993.36 and 414,071,588.32 is: 571,404,217.70
Step by Step Solution
- Step 1: Write the proportion equation
753,165,581.68 : 1,039,341,993.36 = 414,071,588.32 : x - Step 2: Convert to fraction form
753,165,581.68/1,039,341,993.36 = 414,071,588.32/x - Step 3: Cross multiply
753,165,581.68x = 1,039,341,993.36 × 414,071,588.32 - Step 4: Simplify right side
753,165,581.68x = 430,361,989,998,250,112 - Step 5: Solve for x
x = 430,361,989,998,250,112/753,165,581.68 - Step 6: Final answer
x = 571,404,217.70
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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.