Finding the Fourth Proportional to 1,345,129,395.84, 1,856,279,362.36 and 750,413,882.20
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Solution
The fourth proportional to 1,345,129,395.84, 1,856,279,362.36 and 750,413,882.20 is: 1,035,571,601.56
Step by Step Solution
- Step 1: Write the proportion equation
1,345,129,395.84 : 1,856,279,362.36 = 750,413,882.20 : x - Step 2: Convert to fraction form
1,345,129,395.84/1,856,279,362.36 = 750,413,882.20/x - Step 3: Cross multiply
1,345,129,395.84x = 1,856,279,362.36 × 750,413,882.20 - Step 4: Simplify right side
1,345,129,395.84x = 1,392,977,802,756,308,224 - Step 5: Solve for x
x = 1,392,977,802,756,308,224/1,345,129,395.84 - Step 6: Final answer
x = 1,035,571,601.56
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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.