Finding the Fourth Proportional to 319,764,258.96, 479,692,142.81 and 98,454,324.14
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Solution
The fourth proportional to 319,764,258.96, 479,692,142.81 and 98,454,324.14 is: 147,695,573.82
Step by Step Solution
- Step 1: Write the proportion equation
319,764,258.96 : 479,692,142.81 = 98,454,324.14 : x - Step 2: Convert to fraction form
319,764,258.96/479,692,142.81 = 98,454,324.14/x - Step 3: Cross multiply
319,764,258.96x = 479,692,142.81 × 98,454,324.14 - Step 4: Simplify right side
319,764,258.96x = 47,227,765,712,736,184 - Step 5: Solve for x
x = 47,227,765,712,736,184/319,764,258.96 - Step 6: Final answer
x = 147,695,573.82
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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.