Finding the Fourth Proportional to 2,988,448,923.96, 4,485,393,609.66 and 1,590,606,747.48
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Solution
The fourth proportional to 2,988,448,923.96, 4,485,393,609.66 and 1,590,606,747.48 is: 2,387,357,964.67
Step by Step Solution
- Step 1: Write the proportion equation
2,988,448,923.96 : 4,485,393,609.66 = 1,590,606,747.48 : x - Step 2: Convert to fraction form
2,988,448,923.96/4,485,393,609.66 = 1,590,606,747.48/x - Step 3: Cross multiply
2,988,448,923.96x = 4,485,393,609.66 × 1,590,606,747.48 - Step 4: Simplify right side
2,988,448,923.96x = 7,134,497,340,628,869,120 - Step 5: Solve for x
x = 7,134,497,340,628,869,120/2,988,448,923.96 - Step 6: Final answer
x = 2,387,357,964.67
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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.