Finding the Fourth Proportional to 773,800,411.23, 1,160,879,929.28 and 221,110,038.09
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Solution
The fourth proportional to 773,800,411.23, 1,160,879,929.28 and 221,110,038.09 is: 331,716,294.87
Step by Step Solution
- Step 1: Write the proportion equation
773,800,411.23 : 1,160,879,929.28 = 221,110,038.09 : x - Step 2: Convert to fraction form
773,800,411.23/1,160,879,929.28 = 221,110,038.09/x - Step 3: Cross multiply
773,800,411.23x = 1,160,879,929.28 × 221,110,038.09 - Step 4: Simplify right side
773,800,411.23x = 256,682,205,380,729,888 - Step 5: Solve for x
x = 256,682,205,380,729,888/773,800,411.23 - Step 6: Final answer
x = 331,716,294.87
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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.