Finding the Fourth Proportional to 608,232,346.60, 912,439,566.24 and 220,145,977.48
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Solution
The fourth proportional to 608,232,346.60, 912,439,566.24 and 220,145,977.48 is: 330,251,919.89
Step by Step Solution
- Step 1: Write the proportion equation
608,232,346.60 : 912,439,566.24 = 220,145,977.48 : x - Step 2: Convert to fraction form
608,232,346.60/912,439,566.24 = 220,145,977.48/x - Step 3: Cross multiply
608,232,346.60x = 912,439,566.24 × 220,145,977.48 - Step 4: Simplify right side
608,232,346.60x = 200,869,900,201,332,000 - Step 5: Solve for x
x = 200,869,900,201,332,000/608,232,346.60 - Step 6: Final answer
x = 330,251,919.89
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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.