Finding the Fourth Proportional to 3,228,583,451,843.80, 4,842,879,838,738 and 1,318,460,644,328.70
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Solution
The fourth proportional to 3,228,583,451,843.80, 4,842,879,838,738 and 1,318,460,644,328.70 is: 1,977,692,869,900.11
Step by Step Solution
- Step 1: Write the proportion equation
3,228,583,451,843.80 : 4,842,879,838,738 = 1,318,460,644,328.70 : x - Step 2: Convert to fraction form
3,228,583,451,843.80/4,842,879,838,738 = 1,318,460,644,328.70/x - Step 3: Cross multiply
3,228,583,451,843.80x = 4,842,879,838,738 × 1,318,460,644,328.70 - Step 4: Simplify right side
3,228,583,451,843.80x = 6,385,146,472,588,973,803,831,296 - Step 5: Solve for x
x = 6,385,146,472,588,973,803,831,296/3,228,583,451,843.80 - Step 6: Final answer
x = 1,977,692,869,900.11
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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.