Finding the Fourth Proportional to 704,414,525.20, 1,056,621,787.80 and 442,520,400.40
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Solution
The fourth proportional to 704,414,525.20, 1,056,621,787.80 and 442,520,400.40 is: 663,780,600.60
Step by Step Solution
- Step 1: Write the proportion equation
704,414,525.20 : 1,056,621,787.80 = 442,520,400.40 : x - Step 2: Convert to fraction form
704,414,525.20/1,056,621,787.80 = 442,520,400.40/x - Step 3: Cross multiply
704,414,525.20x = 1,056,621,787.80 × 442,520,400.40 - Step 4: Simplify right side
704,414,525.20x = 467,576,696,608,619,776 - Step 5: Solve for x
x = 467,576,696,608,619,776/704,414,525.20 - Step 6: Final answer
x = 663,780,600.60
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Similar ratio
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1.5x scale
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.