Finding the Fourth Proportional to 1,099,205,623.80, 1,648,808,435.70 and 582,644,971.80
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Solution
The fourth proportional to 1,099,205,623.80, 1,648,808,435.70 and 582,644,971.80 is: 873,967,457.70
Step by Step Solution
- Step 1: Write the proportion equation
1,099,205,623.80 : 1,648,808,435.70 = 582,644,971.80 : x - Step 2: Convert to fraction form
1,099,205,623.80/1,648,808,435.70 = 582,644,971.80/x - Step 3: Cross multiply
1,099,205,623.80x = 1,648,808,435.70 × 582,644,971.80 - Step 4: Simplify right side
1,099,205,623.80x = 960,669,944,522,028,544 - Step 5: Solve for x
x = 960,669,944,522,028,544/1,099,205,623.80 - Step 6: Final answer
x = 873,967,457.70
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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.