Finding the Fourth Proportional to 3,968,549,564.80, 5,476,554,939.36 and 2,184,364,871.68
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Solution
The fourth proportional to 3,968,549,564.80, 5,476,554,939.36 and 2,184,364,871.68 is: 3,014,399,601.68
Step by Step Solution
- Step 1: Write the proportion equation
3,968,549,564.80 : 5,476,554,939.36 = 2,184,364,871.68 : x - Step 2: Convert to fraction form
3,968,549,564.80/5,476,554,939.36 = 2,184,364,871.68/x - Step 3: Cross multiply
3,968,549,564.80x = 5,476,554,939.36 × 2,184,364,871.68 - Step 4: Simplify right side
3,968,549,564.80x = 11,962,794,227,363,575,808 - Step 5: Solve for x
x = 11,962,794,227,363,575,808/3,968,549,564.80 - Step 6: Final answer
x = 3,014,399,601.68
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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.