Finding the Fourth Proportional to 5,179,170,661.18, 7,768,704,200.98 and 1,637,912,703.84
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Solution
The fourth proportional to 5,179,170,661.18, 7,768,704,200.98 and 1,637,912,703.84 is: 2,456,852,676.92
Step by Step Solution
- Step 1: Write the proportion equation
5,179,170,661.18 : 7,768,704,200.98 = 1,637,912,703.84 : x - Step 2: Convert to fraction form
5,179,170,661.18/7,768,704,200.98 = 1,637,912,703.84/x - Step 3: Cross multiply
5,179,170,661.18x = 7,768,704,200.98 × 1,637,912,703.84 - Step 4: Simplify right side
5,179,170,661.18x = 12,724,459,303,178,356,736 - Step 5: Solve for x
x = 12,724,459,303,178,356,736/5,179,170,661.18 - Step 6: Final answer
x = 2,456,852,676.92
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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.