Finding the Fourth Proportional to 2,909,052,247.80, 4,363,578,429.44 and 698,261,961.65
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Solution
The fourth proportional to 2,909,052,247.80, 4,363,578,429.44 and 698,261,961.65 is: 1,047,392,956.33
Step by Step Solution
- Step 1: Write the proportion equation
2,909,052,247.80 : 4,363,578,429.44 = 698,261,961.65 : x - Step 2: Convert to fraction form
2,909,052,247.80/4,363,578,429.44 = 698,261,961.65/x - Step 3: Cross multiply
2,909,052,247.80x = 4,363,578,429.44 × 698,261,961.65 - Step 4: Simplify right side
2,909,052,247.80x = 3,046,920,833,954,400,256 - Step 5: Solve for x
x = 3,046,920,833,954,400,256/2,909,052,247.80 - Step 6: Final answer
x = 1,047,392,956.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.