Finding the Fourth Proportional to 1,480,669,900.38, 2,220,982,430.57 and 360,204,109.05
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Solution
The fourth proportional to 1,480,669,900.38, 2,220,982,430.57 and 360,204,109.05 is: 540,300,709.43
Step by Step Solution
- Step 1: Write the proportion equation
1,480,669,900.38 : 2,220,982,430.57 = 360,204,109.05 : x - Step 2: Convert to fraction form
1,480,669,900.38/2,220,982,430.57 = 360,204,109.05/x - Step 3: Cross multiply
1,480,669,900.38x = 2,220,982,430.57 × 360,204,109.05 - Step 4: Simplify right side
1,480,669,900.38x = 800,006,997,610,971,136 - Step 5: Solve for x
x = 800,006,997,610,971,136/1,480,669,900.38 - Step 6: Final answer
x = 540,300,709.43
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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.