Finding the Fourth Proportional to 5,239,637,799.54, 7,231,334,229.56 and 2,982,126,229.53
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Solution
The fourth proportional to 5,239,637,799.54, 7,231,334,229.56 and 2,982,126,229.53 is: 4,115,695,073.88
Step by Step Solution
- Step 1: Write the proportion equation
5,239,637,799.54 : 7,231,334,229.56 = 2,982,126,229.53 : x - Step 2: Convert to fraction form
5,239,637,799.54/7,231,334,229.56 = 2,982,126,229.53/x - Step 3: Cross multiply
5,239,637,799.54x = 7,231,334,229.56 × 2,982,126,229.53 - Step 4: Simplify right side
5,239,637,799.54x = 21,564,751,480,468,992,000 - Step 5: Solve for x
x = 21,564,751,480,468,992,000/5,239,637,799.54 - Step 6: Final answer
x = 4,115,695,073.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.