Finding the Fourth Proportional to 9,446,644,655.35, 13,036,292,151.12 and 5,159,860,709.05
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Solution
The fourth proportional to 9,446,644,655.35, 13,036,292,151.12 and 5,159,860,709.05 is: 7,120,565,461.75
Step by Step Solution
- Step 1: Write the proportion equation
9,446,644,655.35 : 13,036,292,151.12 = 5,159,860,709.05 : x - Step 2: Convert to fraction form
9,446,644,655.35/13,036,292,151.12 = 5,159,860,709.05/x - Step 3: Cross multiply
9,446,644,655.35x = 13,036,292,151.12 × 5,159,860,709.05 - Step 4: Simplify right side
9,446,644,655.35x = 67,265,451,662,276,640,768 - Step 5: Solve for x
x = 67,265,451,662,276,640,768/9,446,644,655.35 - Step 6: Final answer
x = 7,120,565,461.75
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1.5x scale
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.