Finding the Fourth Proportional to 920,671,260.70, 1,381,879,981.74 and 569,856,143.44
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Solution
The fourth proportional to 920,671,260.70, 1,381,879,981.74 and 569,856,143.44 is: 855,324,620.96
Step by Step Solution
- Step 1: Write the proportion equation
920,671,260.70 : 1,381,879,981.74 = 569,856,143.44 : x - Step 2: Convert to fraction form
920,671,260.70/1,381,879,981.74 = 569,856,143.44/x - Step 3: Cross multiply
920,671,260.70x = 1,381,879,981.74 × 569,856,143.44 - Step 4: Simplify right side
920,671,260.70x = 787,472,797,091,294,080 - Step 5: Solve for x
x = 787,472,797,091,294,080/920,671,260.70 - Step 6: Final answer
x = 855,324,620.96
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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.