Finding the Fourth Proportional to 1,652,638,184.35, 2,479,340,241.62 and 472,234,037.80
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Solution
The fourth proportional to 1,652,638,184.35, 2,479,340,241.62 and 472,234,037.80 is: 708,460,487.28
Step by Step Solution
- Step 1: Write the proportion equation
1,652,638,184.35 : 2,479,340,241.62 = 472,234,037.80 : x - Step 2: Convert to fraction form
1,652,638,184.35/2,479,340,241.62 = 472,234,037.80/x - Step 3: Cross multiply
1,652,638,184.35x = 2,479,340,241.62 × 472,234,037.80 - Step 4: Simplify right side
1,652,638,184.35x = 1,170,828,853,380,240,128 - Step 5: Solve for x
x = 1,170,828,853,380,240,128/1,652,638,184.35 - Step 6: Final answer
x = 708,460,487.28
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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.