Finding the Fourth Proportional to 763,973,305.62, 1,145,958,529.05 and 239,382,567.87
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Solution
The fourth proportional to 763,973,305.62, 1,145,958,529.05 and 239,382,567.87 is: 359,073,403.92
Step by Step Solution
- Step 1: Write the proportion equation
763,973,305.62 : 1,145,958,529.05 = 239,382,567.87 : x - Step 2: Convert to fraction form
763,973,305.62/1,145,958,529.05 = 239,382,567.87/x - Step 3: Cross multiply
763,973,305.62x = 1,145,958,529.05 × 239,382,567.87 - Step 4: Simplify right side
763,973,305.62x = 274,322,495,356,516,992 - Step 5: Solve for x
x = 274,322,495,356,516,992/763,973,305.62 - Step 6: Final answer
x = 359,073,403.92
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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.