Finding the Fourth Proportional to 1,214,888,552.88, 1,822,996,241.64 and 515,271,865.20
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Solution
The fourth proportional to 1,214,888,552.88, 1,822,996,241.64 and 515,271,865.20 is: 773,189,171.51
Step by Step Solution
- Step 1: Write the proportion equation
1,214,888,552.88 : 1,822,996,241.64 = 515,271,865.20 : x - Step 2: Convert to fraction form
1,214,888,552.88/1,822,996,241.64 = 515,271,865.20/x - Step 3: Cross multiply
1,214,888,552.88x = 1,822,996,241.64 × 515,271,865.20 - Step 4: Simplify right side
1,214,888,552.88x = 939,338,673,682,432,768 - Step 5: Solve for x
x = 939,338,673,682,432,768/1,214,888,552.88 - Step 6: Final answer
x = 773,189,171.51
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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.