Finding the Fourth Proportional to 4,369,625,998.80, 6,554,438,998.20 and 1,915,962,901.80
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Solution
The fourth proportional to 4,369,625,998.80, 6,554,438,998.20 and 1,915,962,901.80 is: 2,873,944,352.70
Step by Step Solution
- Step 1: Write the proportion equation
4,369,625,998.80 : 6,554,438,998.20 = 1,915,962,901.80 : x - Step 2: Convert to fraction form
4,369,625,998.80/6,554,438,998.20 = 1,915,962,901.80/x - Step 3: Cross multiply
4,369,625,998.80x = 6,554,438,998.20 × 1,915,962,901.80 - Step 4: Simplify right side
4,369,625,998.80x = 12,558,061,962,662,356,992 - Step 5: Solve for x
x = 12,558,061,962,662,356,992/4,369,625,998.80 - Step 6: Final answer
x = 2,873,944,352.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.