Finding the Fourth Proportional to 855,461,365.92, 1,283,468,397.66 and 395,701,128
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Solution
The fourth proportional to 855,461,365.92, 1,283,468,397.66 and 395,701,128 is: 593,679,519.54
Step by Step Solution
- Step 1: Write the proportion equation
855,461,365.92 : 1,283,468,397.66 = 395,701,128 : x - Step 2: Convert to fraction form
855,461,365.92/1,283,468,397.66 = 395,701,128/x - Step 3: Cross multiply
855,461,365.92x = 1,283,468,397.66 × 395,701,128 - Step 4: Simplify right side
855,461,365.92x = 507,869,892,706,414,592 - Step 5: Solve for x
x = 507,869,892,706,414,592/855,461,365.92 - Step 6: Final answer
x = 593,679,519.54
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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.