Finding the Fourth Proportional to 3,374,814,899.42, 4,657,242,941.35 and 2,018,448,777.88
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Solution
The fourth proportional to 3,374,814,899.42, 4,657,242,941.35 and 2,018,448,777.88 is: 2,785,458,344.66
Step by Step Solution
- Step 1: Write the proportion equation
3,374,814,899.42 : 4,657,242,941.35 = 2,018,448,777.88 : x - Step 2: Convert to fraction form
3,374,814,899.42/4,657,242,941.35 = 2,018,448,777.88/x - Step 3: Cross multiply
3,374,814,899.42x = 4,657,242,941.35 × 2,018,448,777.88 - Step 4: Simplify right side
3,374,814,899.42x = 9,400,406,323,270,010,880 - Step 5: Solve for x
x = 9,400,406,323,270,010,880/3,374,814,899.42 - Step 6: Final answer
x = 2,785,458,344.66
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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.