Finding the Fourth Proportional to 7,047,405,663.05, 9,725,675,521.73 and 4,037,240,137.17
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Solution
The fourth proportional to 7,047,405,663.05, 9,725,675,521.73 and 4,037,240,137.17 is: 5,571,537,875.74
Step by Step Solution
- Step 1: Write the proportion equation
7,047,405,663.05 : 9,725,675,521.73 = 4,037,240,137.17 : x - Step 2: Convert to fraction form
7,047,405,663.05/9,725,675,521.73 = 4,037,240,137.17/x - Step 3: Cross multiply
7,047,405,663.05x = 9,725,675,521.73 × 4,037,240,137.17 - Step 4: Simplify right side
7,047,405,663.05x = 39,264,887,577,420,136,448 - Step 5: Solve for x
x = 39,264,887,577,420,136,448/7,047,405,663.05 - Step 6: Final answer
x = 5,571,537,875.74
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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.