Finding the Fourth Proportional to 2,687,146,860.48, 3,708,279,881.16 and 1,497,791,244.24
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Solution
The fourth proportional to 2,687,146,860.48, 3,708,279,881.16 and 1,497,791,244.24 is: 2,066,961,511.81
Step by Step Solution
- Step 1: Write the proportion equation
2,687,146,860.48 : 3,708,279,881.16 = 1,497,791,244.24 : x - Step 2: Convert to fraction form
2,687,146,860.48/3,708,279,881.16 = 1,497,791,244.24/x - Step 3: Cross multiply
2,687,146,860.48x = 3,708,279,881.16 × 1,497,791,244.24 - Step 4: Simplify right side
2,687,146,860.48x = 5,554,229,137,192,795,136 - Step 5: Solve for x
x = 5,554,229,137,192,795,136/2,687,146,860.48 - Step 6: Final answer
x = 2,066,961,511.81
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1.5x scale
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.