Finding the Fourth Proportional to 5,038,864,062.80, 7,558,296,094.20 and 2,825,802,021.20
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Solution
The fourth proportional to 5,038,864,062.80, 7,558,296,094.20 and 2,825,802,021.20 is: 4,238,703,031.80
Step by Step Solution
- Step 1: Write the proportion equation
5,038,864,062.80 : 7,558,296,094.20 = 2,825,802,021.20 : x - Step 2: Convert to fraction form
5,038,864,062.80/7,558,296,094.20 = 2,825,802,021.20/x - Step 3: Cross multiply
5,038,864,062.80x = 7,558,296,094.20 × 2,825,802,021.20 - Step 4: Simplify right side
5,038,864,062.80x = 21,358,248,379,818,422,272 - Step 5: Solve for x
x = 21,358,248,379,818,422,272/5,038,864,062.80 - Step 6: Final answer
x = 4,238,703,031.80
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1.5x scale
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.