Finding the Fourth Proportional to 2,391,242,954.91, 3,300,571,626.56 and 1,387,983,740.77
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Solution
The fourth proportional to 2,391,242,954.91, 3,300,571,626.56 and 1,387,983,740.77 is: 1,915,798,536.28
Step by Step Solution
- Step 1: Write the proportion equation
2,391,242,954.91 : 3,300,571,626.56 = 1,387,983,740.77 : x - Step 2: Convert to fraction form
2,391,242,954.91/3,300,571,626.56 = 1,387,983,740.77/x - Step 3: Cross multiply
2,391,242,954.91x = 3,300,571,626.56 × 1,387,983,740.77 - Step 4: Simplify right side
2,391,242,954.91x = 4,581,139,752,912,072,192 - Step 5: Solve for x
x = 4,581,139,752,912,072,192/2,391,242,954.91 - Step 6: Final answer
x = 1,915,798,536.28
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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.