Finding the Fourth Proportional to 7,513,671,976.98, 10,369,823,919.57 and 4,543,469,485.62
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Solution
The fourth proportional to 7,513,671,976.98, 10,369,823,919.57 and 4,543,469,485.62 is: 6,270,566,334.83
Step by Step Solution
- Step 1: Write the proportion equation
7,513,671,976.98 : 10,369,823,919.57 = 4,543,469,485.62 : x - Step 2: Convert to fraction form
7,513,671,976.98/10,369,823,919.57 = 4,543,469,485.62/x - Step 3: Cross multiply
7,513,671,976.98x = 10,369,823,919.57 × 4,543,469,485.62 - Step 4: Simplify right side
7,513,671,976.98x = 47,114,978,549,818,679,296 - Step 5: Solve for x
x = 47,114,978,549,818,679,296/7,513,671,976.98 - Step 6: Final answer
x = 6,270,566,334.83
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1.5x scale
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.