Finding the Fourth Proportional to 1,146,867,240.52, 1,720,295,950.86 and 317,818,515.08
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Solution
The fourth proportional to 1,146,867,240.52, 1,720,295,950.86 and 317,818,515.08 is: 476,726,411.99
Step by Step Solution
- Step 1: Write the proportion equation
1,146,867,240.52 : 1,720,295,950.86 = 317,818,515.08 : x - Step 2: Convert to fraction form
1,146,867,240.52/1,720,295,950.86 = 317,818,515.08/x - Step 3: Cross multiply
1,146,867,240.52x = 1,720,295,950.86 × 317,818,515.08 - Step 4: Simplify right side
1,146,867,240.52x = 546,741,904,600,461,760 - Step 5: Solve for x
x = 546,741,904,600,461,760/1,146,867,240.52 - Step 6: Final answer
x = 476,726,411.99
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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.