Finding the Fourth Proportional to 773,815,543,111.20, 1,067,868,674,943.80 and 426,578,193,728.19
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Solution
The fourth proportional to 773,815,543,111.20, 1,067,868,674,943.80 and 426,578,193,728.19 is: 588,679,685,425.99
Step by Step Solution
- Step 1: Write the proportion equation
773,815,543,111.20 : 1,067,868,674,943.80 = 426,578,193,728.19 : x - Step 2: Convert to fraction form
773,815,543,111.20/1,067,868,674,943.80 = 426,578,193,728.19/x - Step 3: Cross multiply
773,815,543,111.20x = 1,067,868,674,943.80 × 426,578,193,728.19 - Step 4: Simplify right side
773,815,543,111.20x = 455,529,490,496,441,915,801,600 - Step 5: Solve for x
x = 455,529,490,496,441,915,801,600/773,815,543,111.20 - Step 6: Final answer
x = 588,679,685,425.99
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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.