Finding the Fourth Proportional to 2,260,128,810.40, 3,119,152,230.88 and 1,355,918,610.02
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Solution
The fourth proportional to 2,260,128,810.40, 3,119,152,230.88 and 1,355,918,610.02 is: 1,871,272,353.09
Step by Step Solution
- Step 1: Write the proportion equation
2,260,128,810.40 : 3,119,152,230.88 = 1,355,918,610.02 : x - Step 2: Convert to fraction form
2,260,128,810.40/3,119,152,230.88 = 1,355,918,610.02/x - Step 3: Cross multiply
2,260,128,810.40x = 3,119,152,230.88 × 1,355,918,610.02 - Step 4: Simplify right side
2,260,128,810.40x = 4,229,316,557,316,606,464 - Step 5: Solve for x
x = 4,229,316,557,316,606,464/2,260,128,810.40 - Step 6: Final answer
x = 1,871,272,353.09
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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.