Finding the Fourth Proportional to 5,303,186,467.34, 7,956,130,889.76 and 1,572,614,136.42
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Solution
The fourth proportional to 5,303,186,467.34, 7,956,130,889.76 and 1,572,614,136.42 is: 2,359,321,887.98
Step by Step Solution
- Step 1: Write the proportion equation
5,303,186,467.34 : 7,956,130,889.76 = 1,572,614,136.42 : x - Step 2: Convert to fraction form
5,303,186,467.34/7,956,130,889.76 = 1,572,614,136.42/x - Step 3: Cross multiply
5,303,186,467.34x = 7,956,130,889.76 × 1,572,614,136.42 - Step 4: Simplify right side
5,303,186,467.34x = 12,511,923,908,444,409,856 - Step 5: Solve for x
x = 12,511,923,908,444,409,856/5,303,186,467.34 - Step 6: Final answer
x = 2,359,321,887.98
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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.