Finding the Fourth Proportional to 35,779,559,463, 49,378,001,188.32 and 19,722,204,378.12
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Solution
The fourth proportional to 35,779,559,463, 49,378,001,188.32 and 19,722,204,378.12 is: 27,217,859,745.48
Step by Step Solution
- Step 1: Write the proportion equation
35,779,559,463 : 49,378,001,188.32 = 19,722,204,378.12 : x - Step 2: Convert to fraction form
35,779,559,463/49,378,001,188.32 = 19,722,204,378.12/x - Step 3: Cross multiply
35,779,559,463x = 49,378,001,188.32 × 19,722,204,378.12 - Step 4: Simplify right side
35,779,559,463x = 973,843,031,219,099,271,168 - Step 5: Solve for x
x = 973,843,031,219,099,271,168/35,779,559,463 - Step 6: Final answer
x = 27,217,859,745.48
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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.