Finding the Fourth Proportional to 7,209,562,206.80, 10,816,256,497.80 and 2,550,950,400.80
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Solution
The fourth proportional to 7,209,562,206.80, 10,816,256,497.80 and 2,550,950,400.80 is: 3,827,102,541.98
Step by Step Solution
- Step 1: Write the proportion equation
7,209,562,206.80 : 10,816,256,497.80 = 2,550,950,400.80 : x - Step 2: Convert to fraction form
7,209,562,206.80/10,816,256,497.80 = 2,550,950,400.80/x - Step 3: Cross multiply
7,209,562,206.80x = 10,816,256,497.80 × 2,550,950,400.80 - Step 4: Simplify right side
7,209,562,206.80x = 27,591,733,848,218,513,408 - Step 5: Solve for x
x = 27,591,733,848,218,513,408/7,209,562,206.80 - Step 6: Final answer
x = 3,827,102,541.98
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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.