Finding the Fourth Proportional to 751,303,339,927.90, 1,036,741,709,776.10 and 421,642,709,930.84
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Solution
The fourth proportional to 751,303,339,927.90, 1,036,741,709,776.10 and 421,642,709,930.84 is: 581,835,006,949.76
Step by Step Solution
- Step 1: Write the proportion equation
751,303,339,927.90 : 1,036,741,709,776.10 = 421,642,709,930.84 : x - Step 2: Convert to fraction form
751,303,339,927.90/1,036,741,709,776.10 = 421,642,709,930.84/x - Step 3: Cross multiply
751,303,339,927.90x = 1,036,741,709,776.10 × 421,642,709,930.84 - Step 4: Simplify right side
751,303,339,927.90x = 437,134,584,008,327,231,963,136 - Step 5: Solve for x
x = 437,134,584,008,327,231,963,136/751,303,339,927.90 - Step 6: Final answer
x = 581,835,006,949.76
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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.