Finding the Fourth Proportional to 2,125,862,240.44, 3,188,513,397.93 and 631,861,892.50
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Solution
The fourth proportional to 2,125,862,240.44, 3,188,513,397.93 and 631,861,892.50 is: 947,709,626.50
Step by Step Solution
- Step 1: Write the proportion equation
2,125,862,240.44 : 3,188,513,397.93 = 631,861,892.50 : x - Step 2: Convert to fraction form
2,125,862,240.44/3,188,513,397.93 = 631,861,892.50/x - Step 3: Cross multiply
2,125,862,240.44x = 3,188,513,397.93 × 631,861,892.50 - Step 4: Simplify right side
2,125,862,240.44x = 2,014,700,109,877,655,296 - Step 5: Solve for x
x = 2,014,700,109,877,655,296/2,125,862,240.44 - Step 6: Final answer
x = 947,709,626.50
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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.