Finding the Fourth Proportional to 5,246,222,743.80, 7,869,334,115.70 and 1,368,829,207.80
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Solution
The fourth proportional to 5,246,222,743.80, 7,869,334,115.70 and 1,368,829,207.80 is: 2,053,243,811.70
Step by Step Solution
- Step 1: Write the proportion equation
5,246,222,743.80 : 7,869,334,115.70 = 1,368,829,207.80 : x - Step 2: Convert to fraction form
5,246,222,743.80/7,869,334,115.70 = 1,368,829,207.80/x - Step 3: Cross multiply
5,246,222,743.80x = 7,869,334,115.70 × 1,368,829,207.80 - Step 4: Simplify right side
5,246,222,743.80x = 10,771,774,383,507,144,704 - Step 5: Solve for x
x = 10,771,774,383,507,144,704/5,246,222,743.80 - Step 6: Final answer
x = 2,053,243,811.70
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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.