Finding the Fourth Proportional to 1,867,855,720.68, 2,801,788,899.93 and 539,991,857.46
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Solution
The fourth proportional to 1,867,855,720.68, 2,801,788,899.93 and 539,991,857.46 is: 809,989,323.87
Step by Step Solution
- Step 1: Write the proportion equation
1,867,855,720.68 : 2,801,788,899.93 = 539,991,857.46 : x - Step 2: Convert to fraction form
1,867,855,720.68/2,801,788,899.93 = 539,991,857.46/x - Step 3: Cross multiply
1,867,855,720.68x = 2,801,788,899.93 × 539,991,857.46 - Step 4: Simplify right side
1,867,855,720.68x = 1,512,943,192,284,010,752 - Step 5: Solve for x
x = 1,512,943,192,284,010,752/1,867,855,720.68 - Step 6: Final answer
x = 809,989,323.87
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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.