Finding the Fourth Proportional to 2,283,447,720.80, 3,425,490,445.80 and 973,339,367.60
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Solution
The fourth proportional to 2,283,447,720.80, 3,425,490,445.80 and 973,339,367.60 is: 1,460,144,970.20
Step by Step Solution
- Step 1: Write the proportion equation
2,283,447,720.80 : 3,425,490,445.80 = 973,339,367.60 : x - Step 2: Convert to fraction form
2,283,447,720.80/3,425,490,445.80 = 973,339,367.60/x - Step 3: Cross multiply
2,283,447,720.80x = 3,425,490,445.80 × 973,339,367.60 - Step 4: Simplify right side
2,283,447,720.80x = 3,334,164,704,234,814,464 - Step 5: Solve for x
x = 3,334,164,704,234,814,464/2,283,447,720.80 - Step 6: Final answer
x = 1,460,144,970.20
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1.5x scale
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.