Finding the Fourth Proportional to 1,817,471,649.37, 2,720,615,993.37 and 1,185,843,656.54
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Solution
The fourth proportional to 1,817,471,649.37, 2,720,615,993.37 and 1,185,843,656.54 is: 1,775,117,217.78
Step by Step Solution
- Step 1: Write the proportion equation
1,817,471,649.37 : 2,720,615,993.37 = 1,185,843,656.54 : x - Step 2: Convert to fraction form
1,817,471,649.37/2,720,615,993.37 = 1,185,843,656.54/x - Step 3: Cross multiply
1,817,471,649.37x = 2,720,615,993.37 × 1,185,843,656.54 - Step 4: Simplify right side
1,817,471,649.37x = 3,226,225,217,625,886,720 - Step 5: Solve for x
x = 3,226,225,217,625,886,720/1,817,471,649.37 - Step 6: Final answer
x = 1,775,117,217.78
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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.