Finding the Fourth Proportional to 19,249,087,619.38, 26,560,228,555.74 and 11,107,921,017.68
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Solution
The fourth proportional to 19,249,087,619.38, 26,560,228,555.74 and 11,107,921,017.68 is: 15,326,904,154.75
Step by Step Solution
- Step 1: Write the proportion equation
19,249,087,619.38 : 26,560,228,555.74 = 11,107,921,017.68 : x - Step 2: Convert to fraction form
19,249,087,619.38/26,560,228,555.74 = 11,107,921,017.68/x - Step 3: Cross multiply
19,249,087,619.38x = 26,560,228,555.74 × 11,107,921,017.68 - Step 4: Simplify right side
19,249,087,619.38x = 295,028,921,008,695,640,064 - Step 5: Solve for x
x = 295,028,921,008,695,640,064/19,249,087,619.38 - Step 6: Final answer
x = 15,326,904,154.75
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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.