Finding the Fourth Proportional to 828,885,852.40, 1,242,992,855.40 and 283,346,575.60
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Solution
The fourth proportional to 828,885,852.40, 1,242,992,855.40 and 283,346,575.60 is: 424,905,031.32
Step by Step Solution
- Step 1: Write the proportion equation
828,885,852.40 : 1,242,992,855.40 = 283,346,575.60 : x - Step 2: Convert to fraction form
828,885,852.40/1,242,992,855.40 = 283,346,575.60/x - Step 3: Cross multiply
828,885,852.40x = 1,242,992,855.40 × 283,346,575.60 - Step 4: Simplify right side
828,885,852.40x = 352,197,769,072,856,000 - Step 5: Solve for x
x = 352,197,769,072,856,000/828,885,852.40 - Step 6: Final answer
x = 424,905,031.32
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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.