Finding the Fourth Proportional to 645,560,716.94, 968,710,079.18 and 350,479,828.88
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Solution
The fourth proportional to 645,560,716.94, 968,710,079.18 and 350,479,828.88 is: 525,920,078.28
Step by Step Solution
- Step 1: Write the proportion equation
645,560,716.94 : 968,710,079.18 = 350,479,828.88 : x - Step 2: Convert to fraction form
645,560,716.94/968,710,079.18 = 350,479,828.88/x - Step 3: Cross multiply
645,560,716.94x = 968,710,079.18 × 350,479,828.88 - Step 4: Simplify right side
645,560,716.94x = 339,513,342,785,337,600 - Step 5: Solve for x
x = 339,513,342,785,337,600/645,560,716.94 - Step 6: Final answer
x = 525,920,078.28
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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.