Finding the Fourth Proportional to 920,670,923.46, 1,381,879,476.58 and 569,855,806.68
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Solution
The fourth proportional to 920,670,923.46, 1,381,879,476.58 and 569,855,806.68 is: 855,324,116.14
Step by Step Solution
- Step 1: Write the proportion equation
920,670,923.46 : 1,381,879,476.58 = 569,855,806.68 : x - Step 2: Convert to fraction form
920,670,923.46/1,381,879,476.58 = 569,855,806.68/x - Step 3: Cross multiply
920,670,923.46x = 1,381,879,476.58 × 569,855,806.68 - Step 4: Simplify right side
920,670,923.46x = 787,472,043,861,031,936 - Step 5: Solve for x
x = 787,472,043,861,031,936/920,670,923.46 - Step 6: Final answer
x = 855,324,116.14
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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.