Finding the Fourth Proportional to 5,551,439,384.35, 8,327,742,907.79 and 1,621,156,577.59
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Solution
The fourth proportional to 5,551,439,384.35, 8,327,742,907.79 and 1,621,156,577.59 is: 2,431,905,359.45
Step by Step Solution
- Step 1: Write the proportion equation
5,551,439,384.35 : 8,327,742,907.79 = 1,621,156,577.59 : x - Step 2: Convert to fraction form
5,551,439,384.35/8,327,742,907.79 = 1,621,156,577.59/x - Step 3: Cross multiply
5,551,439,384.35x = 8,327,742,907.79 × 1,621,156,577.59 - Step 4: Simplify right side
5,551,439,384.35x = 13,500,575,191,442,231,296 - Step 5: Solve for x
x = 13,500,575,191,442,231,296/5,551,439,384.35 - Step 6: Final answer
x = 2,431,905,359.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.