Finding the Fourth Proportional to 1,651,974,940.64, 2,477,945,614.80 and 425,138,624.48
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Solution
The fourth proportional to 1,651,974,940.64, 2,477,945,614.80 and 425,138,624.48 is: 637,703,614.20
Step by Step Solution
- Step 1: Write the proportion equation
1,651,974,940.64 : 2,477,945,614.80 = 425,138,624.48 : x - Step 2: Convert to fraction form
1,651,974,940.64/2,477,945,614.80 = 425,138,624.48/x - Step 3: Cross multiply
1,651,974,940.64x = 2,477,945,614.80 × 425,138,624.48 - Step 4: Simplify right side
1,651,974,940.64x = 1,053,470,390,212,320,000 - Step 5: Solve for x
x = 1,053,470,390,212,320,000/1,651,974,940.64 - Step 6: Final answer
x = 637,703,614.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.