Finding the Fourth Proportional to 1,405,725,607.36, 2,107,101,723.36 and 519,841,716.16
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Solution
The fourth proportional to 1,405,725,607.36, 2,107,101,723.36 and 519,841,716.16 is: 779,212,792.50
Step by Step Solution
- Step 1: Write the proportion equation
1,405,725,607.36 : 2,107,101,723.36 = 519,841,716.16 : x - Step 2: Convert to fraction form
1,405,725,607.36/2,107,101,723.36 = 519,841,716.16/x - Step 3: Cross multiply
1,405,725,607.36x = 2,107,101,723.36 × 519,841,716.16 - Step 4: Simplify right side
1,405,725,607.36x = 1,095,359,375,995,155,968 - Step 5: Solve for x
x = 1,095,359,375,995,155,968/1,405,725,607.36 - Step 6: Final answer
x = 779,212,792.50
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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.