Finding the Fourth Proportional to 293,817,830.20, 440,195,903.70 and 251,350,502.20
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Solution
The fourth proportional to 293,817,830.20, 440,195,903.70 and 251,350,502.20 is: 376,571,637.56
Step by Step Solution
- Step 1: Write the proportion equation
293,817,830.20 : 440,195,903.70 = 251,350,502.20 : x - Step 2: Convert to fraction form
293,817,830.20/440,195,903.70 = 251,350,502.20/x - Step 3: Cross multiply
293,817,830.20x = 440,195,903.70 × 251,350,502.20 - Step 4: Simplify right side
293,817,830.20x = 110,643,461,461,377,824 - Step 5: Solve for x
x = 110,643,461,461,377,824/293,817,830.20 - Step 6: Final answer
x = 376,571,637.56
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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.