Finding the Fourth Proportional to 5,427,648,046.70, 8,141,472,070.05 and 1,937,993,864.30
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Solution
The fourth proportional to 5,427,648,046.70, 8,141,472,070.05 and 1,937,993,864.30 is: 2,906,990,796.45
Step by Step Solution
- Step 1: Write the proportion equation
5,427,648,046.70 : 8,141,472,070.05 = 1,937,993,864.30 : x - Step 2: Convert to fraction form
5,427,648,046.70/8,141,472,070.05 = 1,937,993,864.30/x - Step 3: Cross multiply
5,427,648,046.70x = 8,141,472,070.05 × 1,937,993,864.30 - Step 4: Simplify right side
5,427,648,046.70x = 15,778,122,918,126,718,976 - Step 5: Solve for x
x = 15,778,122,918,126,718,976/5,427,648,046.70 - Step 6: Final answer
x = 2,906,990,796.45
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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.