Finding the Fourth Proportional to 7,354,420,829.60, 11,031,631,244.40 and 5,903,232,605.60
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Solution
The fourth proportional to 7,354,420,829.60, 11,031,631,244.40 and 5,903,232,605.60 is: 8,854,848,908.40
Step by Step Solution
- Step 1: Write the proportion equation
7,354,420,829.60 : 11,031,631,244.40 = 5,903,232,605.60 : x - Step 2: Convert to fraction form
7,354,420,829.60/11,031,631,244.40 = 5,903,232,605.60/x - Step 3: Cross multiply
7,354,420,829.60x = 11,031,631,244.40 × 5,903,232,605.60 - Step 4: Simplify right side
7,354,420,829.60x = 65,122,285,254,897,786,880 - Step 5: Solve for x
x = 65,122,285,254,897,786,880/7,354,420,829.60 - Step 6: Final answer
x = 8,854,848,908.40
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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.