Finding the Fourth Proportional to 70,365,139,204.42, 97,103,202,241.82 and 38,248,590,494.87
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Solution
The fourth proportional to 70,365,139,204.42, 97,103,202,241.82 and 38,248,590,494.87 is: 52,782,679,893.49
Step by Step Solution
- Step 1: Write the proportion equation
70,365,139,204.42 : 97,103,202,241.82 = 38,248,590,494.87 : x - Step 2: Convert to fraction form
70,365,139,204.42/97,103,202,241.82 = 38,248,590,494.87/x - Step 3: Cross multiply
70,365,139,204.42x = 97,103,202,241.82 × 38,248,590,494.87 - Step 4: Simplify right side
70,365,139,204.42x = 3,714,060,618,287,506,522,112 - Step 5: Solve for x
x = 3,714,060,618,287,506,522,112/70,365,139,204.42 - Step 6: Final answer
x = 52,782,679,893.49
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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.