Finding the Fourth Proportional to 2,887,291,266.40, 3,984,358,854.96 and 1,634,201,218.08
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Solution
The fourth proportional to 2,887,291,266.40, 3,984,358,854.96 and 1,634,201,218.08 is: 2,255,139,330.70
Step by Step Solution
- Step 1: Write the proportion equation
2,887,291,266.40 : 3,984,358,854.96 = 1,634,201,218.08 : x - Step 2: Convert to fraction form
2,887,291,266.40/3,984,358,854.96 = 1,634,201,218.08/x - Step 3: Cross multiply
2,887,291,266.40x = 3,984,358,854.96 × 1,634,201,218.08 - Step 4: Simplify right side
2,887,291,266.40x = 6,511,244,094,043,465,728 - Step 5: Solve for x
x = 6,511,244,094,043,465,728/2,887,291,266.40 - Step 6: Final answer
x = 2,255,139,330.70
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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.