Finding the Fourth Proportional to 631,523,616.24, 947,350,396.68 and 238,381,592.40
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Solution
The fourth proportional to 631,523,616.24, 947,350,396.68 and 238,381,592.40 is: 357,596,913.74
Step by Step Solution
- Step 1: Write the proportion equation
631,523,616.24 : 947,350,396.68 = 238,381,592.40 : x - Step 2: Convert to fraction form
631,523,616.24/947,350,396.68 = 238,381,592.40/x - Step 3: Cross multiply
631,523,616.24x = 947,350,396.68 × 238,381,592.40 - Step 4: Simplify right side
631,523,616.24x = 225,830,896,121,350,080 - Step 5: Solve for x
x = 225,830,896,121,350,080/631,523,616.24 - Step 6: Final answer
x = 357,596,913.74
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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.