Finding the Fourth Proportional to 1,509,139,102.02, 2,263,954,352.36 and 445,669,518.30
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Solution
The fourth proportional to 1,509,139,102.02, 2,263,954,352.36 and 445,669,518.30 is: 668,576,835.84
Step by Step Solution
- Step 1: Write the proportion equation
1,509,139,102.02 : 2,263,954,352.36 = 445,669,518.30 : x - Step 2: Convert to fraction form
1,509,139,102.02/2,263,954,352.36 = 445,669,518.30/x - Step 3: Cross multiply
1,509,139,102.02x = 2,263,954,352.36 × 445,669,518.30 - Step 4: Simplify right side
1,509,139,102.02x = 1,008,975,445,667,241,344 - Step 5: Solve for x
x = 1,008,975,445,667,241,344/1,509,139,102.02 - Step 6: Final answer
x = 668,576,835.84
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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.