Finding the Fourth Proportional to 439,902,834.84, 660,430,939.62 and 294,984,852.84
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Solution
The fourth proportional to 439,902,834.84, 660,430,939.62 and 294,984,852.84 is: 442,863,987.47
Step by Step Solution
- Step 1: Write the proportion equation
439,902,834.84 : 660,430,939.62 = 294,984,852.84 : x - Step 2: Convert to fraction form
439,902,834.84/660,430,939.62 = 294,984,852.84/x - Step 3: Cross multiply
439,902,834.84x = 660,430,939.62 × 294,984,852.84 - Step 4: Simplify right side
439,902,834.84x = 194,817,123,534,788,608 - Step 5: Solve for x
x = 194,817,123,534,788,608/439,902,834.84 - Step 6: Final answer
x = 442,863,987.47
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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.