Finding the Fourth Proportional to 1,008,450,473.84, 1,391,661,656.56 and 544,876,457.84
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Solution
The fourth proportional to 1,008,450,473.84, 1,391,661,656.56 and 544,876,457.84 is: 751,929,513.26
Step by Step Solution
- Step 1: Write the proportion equation
1,008,450,473.84 : 1,391,661,656.56 = 544,876,457.84 : x - Step 2: Convert to fraction form
1,008,450,473.84/1,391,661,656.56 = 544,876,457.84/x - Step 3: Cross multiply
1,008,450,473.84x = 1,391,661,656.56 × 544,876,457.84 - Step 4: Simplify right side
1,008,450,473.84x = 758,283,673,938,159,360 - Step 5: Solve for x
x = 758,283,673,938,159,360/1,008,450,473.84 - Step 6: Final answer
x = 751,929,513.26
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Double scale
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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.