Finding the Fourth Proportional to 699,442,214.40, 1,049,163,321.60 and 679,286,822.40
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Solution
The fourth proportional to 699,442,214.40, 1,049,163,321.60 and 679,286,822.40 is: 1,018,930,233.60
Step by Step Solution
- Step 1: Write the proportion equation
699,442,214.40 : 1,049,163,321.60 = 679,286,822.40 : x - Step 2: Convert to fraction form
699,442,214.40/1,049,163,321.60 = 679,286,822.40/x - Step 3: Cross multiply
699,442,214.40x = 1,049,163,321.60 × 679,286,822.40 - Step 4: Simplify right side
699,442,214.40x = 712,682,818,908,293,248 - Step 5: Solve for x
x = 712,682,818,908,293,248/699,442,214.40 - Step 6: Final answer
x = 1,018,930,233.60
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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.