Finding the Fourth Proportional to 445,926,188.90, 668,889,283.35 and 282,667,513.70
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Solution
The fourth proportional to 445,926,188.90, 668,889,283.35 and 282,667,513.70 is: 424,001,270.55
Step by Step Solution
- Step 1: Write the proportion equation
445,926,188.90 : 668,889,283.35 = 282,667,513.70 : x - Step 2: Convert to fraction form
445,926,188.90/668,889,283.35 = 282,667,513.70/x - Step 3: Cross multiply
445,926,188.90x = 668,889,283.35 × 282,667,513.70 - Step 4: Simplify right side
445,926,188.90x = 189,073,270,665,119,296 - Step 5: Solve for x
x = 189,073,270,665,119,296/445,926,188.90 - Step 6: Final answer
x = 424,001,270.55
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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.