Finding the Fourth Proportional to 751,303,339,919.02, 1,036,741,709,763.90 and 421,642,709,921.98
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Solution
The fourth proportional to 751,303,339,919.02, 1,036,741,709,763.90 and 421,642,709,921.98 is: 581,835,006,937.56
Step by Step Solution
- Step 1: Write the proportion equation
751,303,339,919.02 : 1,036,741,709,763.90 = 421,642,709,921.98 : x - Step 2: Convert to fraction form
751,303,339,919.02/1,036,741,709,763.90 = 421,642,709,921.98/x - Step 3: Cross multiply
751,303,339,919.02x = 1,036,741,709,763.90 × 421,642,709,921.98 - Step 4: Simplify right side
751,303,339,919.02x = 437,134,583,993,997,677,559,808 - Step 5: Solve for x
x = 437,134,583,993,997,677,559,808/751,303,339,919.02 - Step 6: Final answer
x = 581,835,006,937.56
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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.