Finding the Fourth Proportional to 604,651,451.70, 906,977,177.55 and 483,719,099.70
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Solution
The fourth proportional to 604,651,451.70, 906,977,177.55 and 483,719,099.70 is: 725,578,649.55
Step by Step Solution
- Step 1: Write the proportion equation
604,651,451.70 : 906,977,177.55 = 483,719,099.70 : x - Step 2: Convert to fraction form
604,651,451.70/906,977,177.55 = 483,719,099.70/x - Step 3: Cross multiply
604,651,451.70x = 906,977,177.55 × 483,719,099.70 - Step 4: Simplify right side
604,651,451.70x = 438,722,183,772,932,992 - Step 5: Solve for x
x = 438,722,183,772,932,992/604,651,451.70 - Step 6: Final answer
x = 725,578,649.55
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Double scale
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Similar ratio
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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.