Finding the Fourth Proportional to 1,655,487,168.24, 2,481,185,958.99 and 1,420,667,305.20
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Solution
The fourth proportional to 1,655,487,168.24, 2,481,185,958.99 and 1,420,667,305.20 is: 2,129,246,204.79
Step by Step Solution
- Step 1: Write the proportion equation
1,655,487,168.24 : 2,481,185,958.99 = 1,420,667,305.20 : x - Step 2: Convert to fraction form
1,655,487,168.24/2,481,185,958.99 = 1,420,667,305.20/x - Step 3: Cross multiply
1,655,487,168.24x = 2,481,185,958.99 × 1,420,667,305.20 - Step 4: Simplify right side
1,655,487,168.24x = 3,524,939,770,058,400,768 - Step 5: Solve for x
x = 3,524,939,770,058,400,768/1,655,487,168.24 - Step 6: Final answer
x = 2,129,246,204.79
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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.