Finding the Fourth Proportional to 465,653,044.80, 698,479,567.20 and 158,955,163.20
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Solution
The fourth proportional to 465,653,044.80, 698,479,567.20 and 158,955,163.20 is: 238,432,744.80
Step by Step Solution
- Step 1: Write the proportion equation
465,653,044.80 : 698,479,567.20 = 158,955,163.20 : x - Step 2: Convert to fraction form
465,653,044.80/698,479,567.20 = 158,955,163.20/x - Step 3: Cross multiply
465,653,044.80x = 698,479,567.20 × 158,955,163.20 - Step 4: Simplify right side
465,653,044.80x = 111,026,933,596,141,360 - Step 5: Solve for x
x = 111,026,933,596,141,360/465,653,044.80 - Step 6: Final answer
x = 238,432,744.80
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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.