Finding the Fourth Proportional to 2,758,142,139.48, 3,806,316,905.26 and 1,505,159,757.18
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Solution
The fourth proportional to 2,758,142,139.48, 3,806,316,905.26 and 1,505,159,757.18 is: 2,077,164,532.92
Step by Step Solution
- Step 1: Write the proportion equation
2,758,142,139.48 : 3,806,316,905.26 = 1,505,159,757.18 : x - Step 2: Convert to fraction form
2,758,142,139.48/3,806,316,905.26 = 1,505,159,757.18/x - Step 3: Cross multiply
2,758,142,139.48x = 3,806,316,905.26 × 1,505,159,757.18 - Step 4: Simplify right side
2,758,142,139.48x = 5,729,115,028,871,271,424 - Step 5: Solve for x
x = 5,729,115,028,871,271,424/2,758,142,139.48 - Step 6: Final answer
x = 2,077,164,532.92
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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.