Finding the Fourth Proportional to 13,052,345,108,706, 18,012,292,248,567 and 7,119,729,081,879.50
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Solution
The fourth proportional to 13,052,345,108,706, 18,012,292,248,567 and 7,119,729,081,879.50 is: 9,825,256,678,809.12
Step by Step Solution
- Step 1: Write the proportion equation
13,052,345,108,706 : 18,012,292,248,567 = 7,119,729,081,879.50 : x - Step 2: Convert to fraction form
13,052,345,108,706/18,012,292,248,567 = 7,119,729,081,879.50/x - Step 3: Cross multiply
13,052,345,108,706x = 18,012,292,248,567 × 7,119,729,081,879.50 - Step 4: Simplify right side
13,052,345,108,706x = 128,242,640,953,435,153,936,416,768 - Step 5: Solve for x
x = 128,242,640,953,435,153,936,416,768/13,052,345,108,706 - Step 6: Final answer
x = 9,825,256,678,809.12
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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.