Finding the Fourth Proportional to 620,298,919.97, 855,987,587.26 and 338,035,366.94
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Solution
The fourth proportional to 620,298,919.97, 855,987,587.26 and 338,035,366.94 is: 466,475,224.83
Step by Step Solution
- Step 1: Write the proportion equation
620,298,919.97 : 855,987,587.26 = 338,035,366.94 : x - Step 2: Convert to fraction form
620,298,919.97/855,987,587.26 = 338,035,366.94/x - Step 3: Cross multiply
620,298,919.97x = 855,987,587.26 × 338,035,366.94 - Step 4: Simplify right side
620,298,919.97x = 289,354,078,155,519,360 - Step 5: Solve for x
x = 289,354,078,155,519,360/620,298,919.97 - Step 6: Final answer
x = 466,475,224.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.