Finding the Fourth Proportional to 652,255,961.56, 977,149,469.40 and 385,563,236.56
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Solution
The fourth proportional to 652,255,961.56, 977,149,469.40 and 385,563,236.56 is: 577,615,129.99
Step by Step Solution
- Step 1: Write the proportion equation
652,255,961.56 : 977,149,469.40 = 385,563,236.56 : x - Step 2: Convert to fraction form
652,255,961.56/977,149,469.40 = 385,563,236.56/x - Step 3: Cross multiply
652,255,961.56x = 977,149,469.40 × 385,563,236.56 - Step 4: Simplify right side
652,255,961.56x = 376,752,912,024,750,656 - Step 5: Solve for x
x = 376,752,912,024,750,656/652,255,961.56 - Step 6: Final answer
x = 577,615,129.99
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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.