Finding the Fourth Proportional to 798,514,291.08, 1,196,700,792.21 and 621,465,226.38
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Solution
The fourth proportional to 798,514,291.08, 1,196,700,792.21 and 621,465,226.38 is: 931,364,581.76
Step by Step Solution
- Step 1: Write the proportion equation
798,514,291.08 : 1,196,700,792.21 = 621,465,226.38 : x - Step 2: Convert to fraction form
798,514,291.08/1,196,700,792.21 = 621,465,226.38/x - Step 3: Cross multiply
798,514,291.08x = 1,196,700,792.21 × 621,465,226.38 - Step 4: Simplify right side
798,514,291.08x = 743,707,928,739,912,960 - Step 5: Solve for x
x = 743,707,928,739,912,960/798,514,291.08 - Step 6: Final answer
x = 931,364,581.76
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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.