Finding the Fourth Proportional to 618,484,906.23, 925,708,631.99 and 454,679,267.19
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Solution
The fourth proportional to 618,484,906.23, 925,708,631.99 and 454,679,267.19 is: 680,534,833.08
Step by Step Solution
- Step 1: Write the proportion equation
618,484,906.23 : 925,708,631.99 = 454,679,267.19 : x - Step 2: Convert to fraction form
618,484,906.23/925,708,631.99 = 454,679,267.19/x - Step 3: Cross multiply
618,484,906.23x = 925,708,631.99 × 454,679,267.19 - Step 4: Simplify right side
618,484,906.23x = 420,900,522,422,397,184 - Step 5: Solve for x
x = 420,900,522,422,397,184/618,484,906.23 - Step 6: Final answer
x = 680,534,833.08
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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.