Finding the Fourth Proportional to 6,810,246,466.84, 9,398,372,012.20 and 3,952,167,397.66
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Solution
The fourth proportional to 6,810,246,466.84, 9,398,372,012.20 and 3,952,167,397.66 is: 5,454,125,579.53
Step by Step Solution
- Step 1: Write the proportion equation
6,810,246,466.84 : 9,398,372,012.20 = 3,952,167,397.66 : x - Step 2: Convert to fraction form
6,810,246,466.84/9,398,372,012.20 = 3,952,167,397.66/x - Step 3: Cross multiply
6,810,246,466.84x = 9,398,372,012.20 × 3,952,167,397.66 - Step 4: Simplify right side
6,810,246,466.84x = 37,143,939,457,687,166,976 - Step 5: Solve for x
x = 37,143,939,457,687,166,976/6,810,246,466.84 - Step 6: Final answer
x = 5,454,125,579.53
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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.