Finding the Fourth Proportional to 9,115,905,810.56, 13,689,507,009.93 and 5,595,320,484.09
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Solution
The fourth proportional to 9,115,905,810.56, 13,689,507,009.93 and 5,595,320,484.09 is: 8,402,585,610.42
Step by Step Solution
- Step 1: Write the proportion equation
9,115,905,810.56 : 13,689,507,009.93 = 5,595,320,484.09 : x - Step 2: Convert to fraction form
9,115,905,810.56/13,689,507,009.93 = 5,595,320,484.09/x - Step 3: Cross multiply
9,115,905,810.56x = 13,689,507,009.93 × 5,595,320,484.09 - Step 4: Simplify right side
9,115,905,810.56x = 76,597,178,989,754,974,208 - Step 5: Solve for x
x = 76,597,178,989,754,974,208/9,115,905,810.56 - Step 6: Final answer
x = 8,402,585,610.42
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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.