Finding the Fourth Proportional to 7,757,349,622,215.40, 11,636,035,632,285 and 3,167,878,525,981.20
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Solution
The fourth proportional to 7,757,349,622,215.40, 11,636,035,632,285 and 3,167,878,525,981.20 is: 4,751,822,362,305.82
Step by Step Solution
- Step 1: Write the proportion equation
7,757,349,622,215.40 : 11,636,035,632,285 = 3,167,878,525,981.20 : x - Step 2: Convert to fraction form
7,757,349,622,215.40/11,636,035,632,285 = 3,167,878,525,981.20/x - Step 3: Cross multiply
7,757,349,622,215.40x = 11,636,035,632,285 × 3,167,878,525,981.20 - Step 4: Simplify right side
7,757,349,622,215.40x = 36,861,547,407,067,727,232,237,568 - Step 5: Solve for x
x = 36,861,547,407,067,727,232,237,568/7,757,349,622,215.40 - Step 6: Final answer
x = 4,751,822,362,305.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.