Finding the Fourth Proportional to 2,839,573,672.60, 4,259,447,281.71 and 974,193,201.98
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Solution
The fourth proportional to 2,839,573,672.60, 4,259,447,281.71 and 974,193,201.98 is: 1,461,319,572.75
Step by Step Solution
- Step 1: Write the proportion equation
2,839,573,672.60 : 4,259,447,281.71 = 974,193,201.98 : x - Step 2: Convert to fraction form
2,839,573,672.60/4,259,447,281.71 = 974,193,201.98/x - Step 3: Cross multiply
2,839,573,672.60x = 4,259,447,281.71 × 974,193,201.98 - Step 4: Simplify right side
2,839,573,672.60x = 4,149,524,586,034,072,064 - Step 5: Solve for x
x = 4,149,524,586,034,072,064/2,839,573,672.60 - Step 6: Final answer
x = 1,461,319,572.75
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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.