Finding the Fourth Proportional to 590,977,239.60, 886,465,859.40 and 559,232,497.20
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Solution
The fourth proportional to 590,977,239.60, 886,465,859.40 and 559,232,497.20 is: 838,848,745.80
Step by Step Solution
- Step 1: Write the proportion equation
590,977,239.60 : 886,465,859.40 = 559,232,497.20 : x - Step 2: Convert to fraction form
590,977,239.60/886,465,859.40 = 559,232,497.20/x - Step 3: Cross multiply
590,977,239.60x = 886,465,859.40 × 559,232,497.20 - Step 4: Simplify right side
590,977,239.60x = 495,740,516,234,806,144 - Step 5: Solve for x
x = 495,740,516,234,806,144/590,977,239.60 - Step 6: Final answer
x = 838,848,745.80
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Double scale
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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.