Finding the Fourth Proportional to 383,841,266,128.55, 529,717,598,014.95 and 212,563,197,618.08
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Solution
The fourth proportional to 383,841,266,128.55, 529,717,598,014.95 and 212,563,197,618.08 is: 293,346,433,551.30
Step by Step Solution
- Step 1: Write the proportion equation
383,841,266,128.55 : 529,717,598,014.95 = 212,563,197,618.08 : x - Step 2: Convert to fraction form
383,841,266,128.55/529,717,598,014.95 = 212,563,197,618.08/x - Step 3: Cross multiply
383,841,266,128.55x = 529,717,598,014.95 × 212,563,197,618.08 - Step 4: Simplify right side
383,841,266,128.55x = 112,598,466,468,626,466,603,008 - Step 5: Solve for x
x = 112,598,466,468,626,466,603,008/383,841,266,128.55 - Step 6: Final answer
x = 293,346,433,551.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.