Finding the Fourth Proportional to 1,653,190,775.25, 2,281,403,394.57 and 910,634,838
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Solution
The fourth proportional to 1,653,190,775.25, 2,281,403,394.57 and 910,634,838 is: 1,256,676,145.14
Step by Step Solution
- Step 1: Write the proportion equation
1,653,190,775.25 : 2,281,403,394.57 = 910,634,838 : x - Step 2: Convert to fraction form
1,653,190,775.25/2,281,403,394.57 = 910,634,838/x - Step 3: Cross multiply
1,653,190,775.25x = 2,281,403,394.57 × 910,634,838 - Step 4: Simplify right side
1,653,190,775.25x = 2,077,525,410,626,902,272 - Step 5: Solve for x
x = 2,077,525,410,626,902,272/1,653,190,775.25 - Step 6: Final answer
x = 1,256,676,145.14
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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.