Finding the Fourth Proportional to 861,558,201.07, 1,291,356,984.29 and 524,291,887.55
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Solution
The fourth proportional to 861,558,201.07, 1,291,356,984.29 and 524,291,887.55 is: 785,841,269.87
Step by Step Solution
- Step 1: Write the proportion equation
861,558,201.07 : 1,291,356,984.29 = 524,291,887.55 : x - Step 2: Convert to fraction form
861,558,201.07/1,291,356,984.29 = 524,291,887.55/x - Step 3: Cross multiply
861,558,201.07x = 1,291,356,984.29 × 524,291,887.55 - Step 4: Simplify right side
861,558,201.07x = 677,047,990,794,886,784 - Step 5: Solve for x
x = 677,047,990,794,886,784/861,558,201.07 - Step 6: Final answer
x = 785,841,269.87
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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.