Finding the Fourth Proportional to 1,270,600,889.84, 1,753,471,757.16 and 706,109,563.80
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Solution
The fourth proportional to 1,270,600,889.84, 1,753,471,757.16 and 706,109,563.80 is: 974,454,832.73
Step by Step Solution
- Step 1: Write the proportion equation
1,270,600,889.84 : 1,753,471,757.16 = 706,109,563.80 : x - Step 2: Convert to fraction form
1,270,600,889.84/1,753,471,757.16 = 706,109,563.80/x - Step 3: Cross multiply
1,270,600,889.84x = 1,753,471,757.16 × 706,109,563.80 - Step 4: Simplify right side
1,270,600,889.84x = 1,238,143,177,577,898,240 - Step 5: Solve for x
x = 1,238,143,177,577,898,240/1,270,600,889.84 - Step 6: Final answer
x = 974,454,832.73
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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.