Finding the Fourth Proportional to 1,873,073,460.84, 2,809,782,899.25 and 612,544,114.79
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Solution
The fourth proportional to 1,873,073,460.84, 2,809,782,899.25 and 612,544,114.79 is: 918,872,652.22
Step by Step Solution
- Step 1: Write the proportion equation
1,873,073,460.84 : 2,809,782,899.25 = 612,544,114.79 : x - Step 2: Convert to fraction form
1,873,073,460.84/2,809,782,899.25 = 612,544,114.79/x - Step 3: Cross multiply
1,873,073,460.84x = 2,809,782,899.25 × 612,544,114.79 - Step 4: Simplify right side
1,873,073,460.84x = 1,721,115,978,759,121,920 - Step 5: Solve for x
x = 1,721,115,978,759,121,920/1,873,073,460.84 - Step 6: Final answer
x = 918,872,652.22
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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.