Finding the Fourth Proportional to 751,303,339,926.15, 1,036,741,709,773.60 and 421,642,709,929.08
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Solution
The fourth proportional to 751,303,339,926.15, 1,036,741,709,773.60 and 421,642,709,929.08 is: 581,835,006,947.28
Step by Step Solution
- Step 1: Write the proportion equation
751,303,339,926.15 : 1,036,741,709,773.60 = 421,642,709,929.08 : x - Step 2: Convert to fraction form
751,303,339,926.15/1,036,741,709,773.60 = 421,642,709,929.08/x - Step 3: Cross multiply
751,303,339,926.15x = 1,036,741,709,773.60 × 421,642,709,929.08 - Step 4: Simplify right side
751,303,339,926.15x = 437,134,584,005,448,463,024,128 - Step 5: Solve for x
x = 437,134,584,005,448,463,024,128/751,303,339,926.15 - Step 6: Final answer
x = 581,835,006,947.28
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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.