Finding the Fourth Proportional to 2,655,564,448.17, 3,665,000,289.85 and 1,511,408,737.99
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Solution
The fourth proportional to 2,655,564,448.17, 3,665,000,289.85 and 1,511,408,737.99 is: 2,085,926,954.87
Step by Step Solution
- Step 1: Write the proportion equation
2,655,564,448.17 : 3,665,000,289.85 = 1,511,408,737.99 : x - Step 2: Convert to fraction form
2,655,564,448.17/3,665,000,289.85 = 1,511,408,737.99/x - Step 3: Cross multiply
2,655,564,448.17x = 3,665,000,289.85 × 1,511,408,737.99 - Step 4: Simplify right side
2,655,564,448.17x = 5,539,313,462,815,172,608 - Step 5: Solve for x
x = 5,539,313,462,815,172,608/2,655,564,448.17 - Step 6: Final answer
x = 2,085,926,954.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.