Finding the Fourth Proportional to 3,174,896,491.92, 4,381,602,531.48 and 1,904,785,272.90
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Solution
The fourth proportional to 3,174,896,491.92, 4,381,602,531.48 and 1,904,785,272.90 is: 2,628,750,888.38
Step by Step Solution
- Step 1: Write the proportion equation
3,174,896,491.92 : 4,381,602,531.48 = 1,904,785,272.90 : x - Step 2: Convert to fraction form
3,174,896,491.92/4,381,602,531.48 = 1,904,785,272.90/x - Step 3: Cross multiply
3,174,896,491.92x = 4,381,602,531.48 × 1,904,785,272.90 - Step 4: Simplify right side
3,174,896,491.92x = 8,346,011,973,664,461,824 - Step 5: Solve for x
x = 8,346,011,973,664,461,824/3,174,896,491.92 - Step 6: Final answer
x = 2,628,750,888.38
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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.