Finding the Fourth Proportional to 1,253,207,457.68, 1,729,472,964.72 and 751,497,924.44
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Solution
The fourth proportional to 1,253,207,457.68, 1,729,472,964.72 and 751,497,924.44 is: 1,037,095,123.71
Step by Step Solution
- Step 1: Write the proportion equation
1,253,207,457.68 : 1,729,472,964.72 = 751,497,924.44 : x - Step 2: Convert to fraction form
1,253,207,457.68/1,729,472,964.72 = 751,497,924.44/x - Step 3: Cross multiply
1,253,207,457.68x = 1,729,472,964.72 × 751,497,924.44 - Step 4: Simplify right side
1,253,207,457.68x = 1,299,695,343,362,173,440 - Step 5: Solve for x
x = 1,299,695,343,362,173,440/1,253,207,457.68 - Step 6: Final answer
x = 1,037,095,123.71
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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.