Finding the Fourth Proportional to 931,149,337.50, 1,396,961,252.01 and 276,124,291.74
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Solution
The fourth proportional to 931,149,337.50, 1,396,961,252.01 and 276,124,291.74 is: 414,256,790.79
Step by Step Solution
- Step 1: Write the proportion equation
931,149,337.50 : 1,396,961,252.01 = 276,124,291.74 : x - Step 2: Convert to fraction form
931,149,337.50/1,396,961,252.01 = 276,124,291.74/x - Step 3: Cross multiply
931,149,337.50x = 1,396,961,252.01 × 276,124,291.74 - Step 4: Simplify right side
931,149,337.50x = 385,734,936,299,484,928 - Step 5: Solve for x
x = 385,734,936,299,484,928/931,149,337.50 - Step 6: Final answer
x = 414,256,790.79
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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.