Finding the Fourth Proportional to 710,462,900.99, 1,065,682,264.67 and 212,474,554.31
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Solution
The fourth proportional to 710,462,900.99, 1,065,682,264.67 and 212,474,554.31 is: 318,708,216.72
Step by Step Solution
- Step 1: Write the proportion equation
710,462,900.99 : 1,065,682,264.67 = 212,474,554.31 : x - Step 2: Convert to fraction form
710,462,900.99/1,065,682,264.67 = 212,474,554.31/x - Step 3: Cross multiply
710,462,900.99x = 1,065,682,264.67 × 212,474,554.31 - Step 4: Simplify right side
710,462,900.99x = 226,430,364,224,217,696 - Step 5: Solve for x
x = 226,430,364,224,217,696/710,462,900.99 - Step 6: Final answer
x = 318,708,216.72
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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.