Finding the Fourth Proportional to 1,505,546,523.74, 2,077,710,273.99 and 902,815,277.45
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Solution
The fourth proportional to 1,505,546,523.74, 2,077,710,273.99 and 902,815,277.45 is: 1,245,918,706.52
Step by Step Solution
- Step 1: Write the proportion equation
1,505,546,523.74 : 2,077,710,273.99 = 902,815,277.45 : x - Step 2: Convert to fraction form
1,505,546,523.74/2,077,710,273.99 = 902,815,277.45/x - Step 3: Cross multiply
1,505,546,523.74x = 2,077,710,273.99 × 902,815,277.45 - Step 4: Simplify right side
1,505,546,523.74x = 1,875,788,577,462,608,896 - Step 5: Solve for x
x = 1,875,788,577,462,608,896/1,505,546,523.74 - Step 6: Final answer
x = 1,245,918,706.52
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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.