Finding the Fourth Proportional to 2,130,403,797.23, 2,940,048,035.21 and 1,190,606,411.36
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Solution
The fourth proportional to 2,130,403,797.23, 2,940,048,035.21 and 1,190,606,411.36 is: 1,643,087,589.76
Step by Step Solution
- Step 1: Write the proportion equation
2,130,403,797.23 : 2,940,048,035.21 = 1,190,606,411.36 : x - Step 2: Convert to fraction form
2,130,403,797.23/2,940,048,035.21 = 1,190,606,411.36/x - Step 3: Cross multiply
2,130,403,797.23x = 2,940,048,035.21 × 1,190,606,411.36 - Step 4: Simplify right side
2,130,403,797.23x = 3,500,440,040,406,743,552 - Step 5: Solve for x
x = 3,500,440,040,406,743,552/2,130,403,797.23 - Step 6: Final answer
x = 1,643,087,589.76
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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.