Finding the Fourth Proportional to 447,878,631.99, 671,717,170.89 and 160,664,295.99
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Solution
The fourth proportional to 447,878,631.99, 671,717,170.89 and 160,664,295.99 is: 240,960,292.94
Step by Step Solution
- Step 1: Write the proportion equation
447,878,631.99 : 671,717,170.89 = 160,664,295.99 : x - Step 2: Convert to fraction form
447,878,631.99/671,717,170.89 = 160,664,295.99/x - Step 3: Cross multiply
447,878,631.99x = 671,717,170.89 × 160,664,295.99 - Step 4: Simplify right side
447,878,631.99x = 107,920,966,365,436,368 - Step 5: Solve for x
x = 107,920,966,365,436,368/447,878,631.99 - Step 6: Final answer
x = 240,960,292.94
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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.