Finding the Fourth Proportional to 420,616,301.99, 630,360,477.99 and 327,355,879.95
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Solution
The fourth proportional to 420,616,301.99, 630,360,477.99 and 327,355,879.95 is: 490,594,891.32
Step by Step Solution
- Step 1: Write the proportion equation
420,616,301.99 : 630,360,477.99 = 327,355,879.95 : x - Step 2: Convert to fraction form
420,616,301.99/630,360,477.99 = 327,355,879.95/x - Step 3: Cross multiply
420,616,301.99x = 630,360,477.99 × 327,355,879.95 - Step 4: Simplify right side
420,616,301.99x = 206,352,208,958,119,040 - Step 5: Solve for x
x = 206,352,208,958,119,040/420,616,301.99 - Step 6: Final answer
x = 490,594,891.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.