Finding the Fourth Proportional to 2,118,507,797.33, 3,179,725,223.13 and 1,069,982,340.87
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Solution
The fourth proportional to 2,118,507,797.33, 3,179,725,223.13 and 1,069,982,340.87 is: 1,605,965,218.47
Step by Step Solution
- Step 1: Write the proportion equation
2,118,507,797.33 : 3,179,725,223.13 = 1,069,982,340.87 : x - Step 2: Convert to fraction form
2,118,507,797.33/3,179,725,223.13 = 1,069,982,340.87/x - Step 3: Cross multiply
2,118,507,797.33x = 3,179,725,223.13 × 1,069,982,340.87 - Step 4: Simplify right side
2,118,507,797.33x = 3,402,249,837,568,020,480 - Step 5: Solve for x
x = 3,402,249,837,568,020,480/2,118,507,797.33 - Step 6: Final answer
x = 1,605,965,218.47
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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.