Finding the Fourth Proportional to 1,595,337,405.79, 2,201,932,952.21 and 935,500,260.19
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Solution
The fourth proportional to 1,595,337,405.79, 2,201,932,952.21 and 935,500,260.19 is: 1,291,205,761.39
Step by Step Solution
- Step 1: Write the proportion equation
1,595,337,405.79 : 2,201,932,952.21 = 935,500,260.19 : x - Step 2: Convert to fraction form
1,595,337,405.79/2,201,932,952.21 = 935,500,260.19/x - Step 3: Cross multiply
1,595,337,405.79x = 2,201,932,952.21 × 935,500,260.19 - Step 4: Simplify right side
1,595,337,405.79x = 2,059,908,849,713,390,080 - Step 5: Solve for x
x = 2,059,908,849,713,390,080/1,595,337,405.79 - Step 6: Final answer
x = 1,291,205,761.39
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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.