Finding the Fourth Proportional to 2,528,396,512.98, 3,489,194,652.98 and 1,399,444,688.40
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Solution
The fourth proportional to 2,528,396,512.98, 3,489,194,652.98 and 1,399,444,688.40 is: 1,931,237,801.84
Step by Step Solution
- Step 1: Write the proportion equation
2,528,396,512.98 : 3,489,194,652.98 = 1,399,444,688.40 : x - Step 2: Convert to fraction form
2,528,396,512.98/3,489,194,652.98 = 1,399,444,688.40/x - Step 3: Cross multiply
2,528,396,512.98x = 3,489,194,652.98 × 1,399,444,688.40 - Step 4: Simplify right side
2,528,396,512.98x = 4,882,934,923,899,545,600 - Step 5: Solve for x
x = 4,882,934,923,899,545,600/2,528,396,512.98 - Step 6: Final answer
x = 1,931,237,801.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.