Finding the Fourth Proportional to 8,779,738,284.42, 12,115,714,398.49 and 4,765,322,363.07
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Solution
The fourth proportional to 8,779,738,284.42, 12,115,714,398.49 and 4,765,322,363.07 is: 6,575,968,770.06
Step by Step Solution
- Step 1: Write the proportion equation
8,779,738,284.42 : 12,115,714,398.49 = 4,765,322,363.07 : x - Step 2: Convert to fraction form
8,779,738,284.42/12,115,714,398.49 = 4,765,322,363.07/x - Step 3: Cross multiply
8,779,738,284.42x = 12,115,714,398.49 × 4,765,322,363.07 - Step 4: Simplify right side
8,779,738,284.42x = 57,735,284,767,646,744,576 - Step 5: Solve for x
x = 57,735,284,767,646,744,576/8,779,738,284.42 - Step 6: Final answer
x = 6,575,968,770.06
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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.