Finding the Fourth Proportional to 3,891,411,460.48, 5,842,941,783.82 and 3,368,402,657.68
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Solution
The fourth proportional to 3,891,411,460.48, 5,842,941,783.82 and 3,368,402,657.68 is: 5,057,645,749.66
Step by Step Solution
- Step 1: Write the proportion equation
3,891,411,460.48 : 5,842,941,783.82 = 3,368,402,657.68 : x - Step 2: Convert to fraction form
3,891,411,460.48/5,842,941,783.82 = 3,368,402,657.68/x - Step 3: Cross multiply
3,891,411,460.48x = 5,842,941,783.82 × 3,368,402,657.68 - Step 4: Simplify right side
3,891,411,460.48x = 19,681,380,633,288,806,400 - Step 5: Solve for x
x = 19,681,380,633,288,806,400/3,891,411,460.48 - Step 6: Final answer
x = 5,057,645,749.66
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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.