Finding the Fourth Proportional to 7,513,671,980.48, 10,369,823,924.40 and 4,543,469,489.12
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Solution
The fourth proportional to 7,513,671,980.48, 10,369,823,924.40 and 4,543,469,489.12 is: 6,270,566,339.66
Step by Step Solution
- Step 1: Write the proportion equation
7,513,671,980.48 : 10,369,823,924.40 = 4,543,469,489.12 : x - Step 2: Convert to fraction form
7,513,671,980.48/10,369,823,924.40 = 4,543,469,489.12/x - Step 3: Cross multiply
7,513,671,980.48x = 10,369,823,924.40 × 4,543,469,489.12 - Step 4: Simplify right side
7,513,671,980.48x = 47,114,978,608,058,015,744 - Step 5: Solve for x
x = 47,114,978,608,058,015,744/7,513,671,980.48 - Step 6: Final answer
x = 6,270,566,339.66
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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.