Finding the Fourth Proportional to 3,706,567,696.56, 5,115,163,309.66 and 2,180,762,343.16
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Solution
The fourth proportional to 3,706,567,696.56, 5,115,163,309.66 and 2,180,762,343.16 is: 3,009,510,802.99
Step by Step Solution
- Step 1: Write the proportion equation
3,706,567,696.56 : 5,115,163,309.66 = 2,180,762,343.16 : x - Step 2: Convert to fraction form
3,706,567,696.56/5,115,163,309.66 = 2,180,762,343.16/x - Step 3: Cross multiply
3,706,567,696.56x = 5,115,163,309.66 × 2,180,762,343.16 - Step 4: Simplify right side
3,706,567,696.56x = 11,154,955,524,820,201,472 - Step 5: Solve for x
x = 11,154,955,524,820,201,472/3,706,567,696.56 - Step 6: Final answer
x = 3,009,510,802.99
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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.