Finding the Fourth Proportional to 1,655,487,165.11, 2,481,185,954.30 and 1,420,667,302.05
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Solution
The fourth proportional to 1,655,487,165.11, 2,481,185,954.30 and 1,420,667,302.05 is: 2,129,246,200.07
Step by Step Solution
- Step 1: Write the proportion equation
1,655,487,165.11 : 2,481,185,954.30 = 1,420,667,302.05 : x - Step 2: Convert to fraction form
1,655,487,165.11/2,481,185,954.30 = 1,420,667,302.05/x - Step 3: Cross multiply
1,655,487,165.11x = 2,481,185,954.30 × 1,420,667,302.05 - Step 4: Simplify right side
1,655,487,165.11x = 3,524,939,755,579,735,552 - Step 5: Solve for x
x = 3,524,939,755,579,735,552/1,655,487,165.11 - Step 6: Final answer
x = 2,129,246,200.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.