Finding the Fourth Proportional to 958,552,025.20, 1,437,828,037.80 and 441,991,373.20
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Solution
The fourth proportional to 958,552,025.20, 1,437,828,037.80 and 441,991,373.20 is: 662,987,059.80
Step by Step Solution
- Step 1: Write the proportion equation
958,552,025.20 : 1,437,828,037.80 = 441,991,373.20 : x - Step 2: Convert to fraction form
958,552,025.20/1,437,828,037.80 = 441,991,373.20/x - Step 3: Cross multiply
958,552,025.20x = 1,437,828,037.80 × 441,991,373.20 - Step 4: Simplify right side
958,552,025.20x = 635,507,588,852,683,520 - Step 5: Solve for x
x = 635,507,588,852,683,520/958,552,025.20 - Step 6: Final answer
x = 662,987,059.80
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Double scale
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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.