Finding the Fourth Proportional to 13,831,101,180.24, 19,086,925,791 and 7,487,468,808
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Solution
The fourth proportional to 13,831,101,180.24, 19,086,925,791 and 7,487,468,808 is: 10,332,710,290.99
Step by Step Solution
- Step 1: Write the proportion equation
13,831,101,180.24 : 19,086,925,791 = 7,487,468,808 : x - Step 2: Convert to fraction form
13,831,101,180.24/19,086,925,791 = 7,487,468,808/x - Step 3: Cross multiply
13,831,101,180.24x = 19,086,925,791 × 7,487,468,808 - Step 4: Simplify right side
13,831,101,180.24x = 142,912,761,500,723,232,768 - Step 5: Solve for x
x = 142,912,761,500,723,232,768/13,831,101,180.24 - Step 6: Final answer
x = 10,332,710,290.99
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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.