Finding the Fourth Proportional to 2,485,395,949.44, 3,429,919,125.63 and 1,356,438,123.03
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Solution
The fourth proportional to 2,485,395,949.44, 3,429,919,125.63 and 1,356,438,123.03 is: 1,871,924,295.19
Step by Step Solution
- Step 1: Write the proportion equation
2,485,395,949.44 : 3,429,919,125.63 = 1,356,438,123.03 : x - Step 2: Convert to fraction form
2,485,395,949.44/3,429,919,125.63 = 1,356,438,123.03/x - Step 3: Cross multiply
2,485,395,949.44x = 3,429,919,125.63 × 1,356,438,123.03 - Step 4: Simplify right side
2,485,395,949.44x = 4,652,473,060,914,255,872 - Step 5: Solve for x
x = 4,652,473,060,914,255,872/2,485,395,949.44 - Step 6: Final answer
x = 1,871,924,295.19
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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.