Finding the Fourth Proportional to 369,115,656.63, 553,728,539.61 and 135,928,438.89
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Solution
The fourth proportional to 369,115,656.63, 553,728,539.61 and 135,928,438.89 is: 203,912,932.45
Step by Step Solution
- Step 1: Write the proportion equation
369,115,656.63 : 553,728,539.61 = 135,928,438.89 : x - Step 2: Convert to fraction form
369,115,656.63/553,728,539.61 = 135,928,438.89/x - Step 3: Cross multiply
369,115,656.63x = 553,728,539.61 × 135,928,438.89 - Step 4: Simplify right side
369,115,656.63x = 75,267,455,958,026,816 - Step 5: Solve for x
x = 75,267,455,958,026,816/369,115,656.63 - Step 6: Final answer
x = 203,912,932.45
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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.