Finding the Fourth Proportional to 1,968,136,740.62, 2,716,085,389.10 and 1,088,127,131.66
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Solution
The fourth proportional to 1,968,136,740.62, 2,716,085,389.10 and 1,088,127,131.66 is: 1,501,646,782.35
Step by Step Solution
- Step 1: Write the proportion equation
1,968,136,740.62 : 2,716,085,389.10 = 1,088,127,131.66 : x - Step 2: Convert to fraction form
1,968,136,740.62/2,716,085,389.10 = 1,088,127,131.66/x - Step 3: Cross multiply
1,968,136,740.62x = 2,716,085,389.10 × 1,088,127,131.66 - Step 4: Simplify right side
1,968,136,740.62x = 2,955,446,203,785,018,368 - Step 5: Solve for x
x = 2,955,446,203,785,018,368/1,968,136,740.62 - Step 6: Final answer
x = 1,501,646,782.35
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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.