Finding the Fourth Proportional to 1,968,136,738.62, 2,716,085,386.34 and 1,088,127,129.66
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Solution
The fourth proportional to 1,968,136,738.62, 2,716,085,386.34 and 1,088,127,129.66 is: 1,501,646,779.59
Step by Step Solution
- Step 1: Write the proportion equation
1,968,136,738.62 : 2,716,085,386.34 = 1,088,127,129.66 : x - Step 2: Convert to fraction form
1,968,136,738.62/2,716,085,386.34 = 1,088,127,129.66/x - Step 3: Cross multiply
1,968,136,738.62x = 2,716,085,386.34 × 1,088,127,129.66 - Step 4: Simplify right side
1,968,136,738.62x = 2,955,446,195,349,616,640 - Step 5: Solve for x
x = 2,955,446,195,349,616,640/1,968,136,738.62 - Step 6: Final answer
x = 1,501,646,779.59
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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.