Finding the Fourth Proportional to 5,335,536,707.55, 7,360,626,213.63 and 3,220,316,496.99
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Solution
The fourth proportional to 5,335,536,707.55, 7,360,626,213.63 and 3,220,316,496.99 is: 4,442,579,504.77
Step by Step Solution
- Step 1: Write the proportion equation
5,335,536,707.55 : 7,360,626,213.63 = 3,220,316,496.99 : x - Step 2: Convert to fraction form
5,335,536,707.55/7,360,626,213.63 = 3,220,316,496.99/x - Step 3: Cross multiply
5,335,536,707.55x = 7,360,626,213.63 × 3,220,316,496.99 - Step 4: Simplify right side
5,335,536,707.55x = 23,703,546,023,929,729,024 - Step 5: Solve for x
x = 23,703,546,023,929,729,024/5,335,536,707.55 - Step 6: Final answer
x = 4,442,579,504.77
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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.