Finding the Fourth Proportional to 361,329,946.75, 540,822,299.32 and 195,102,370.99
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Solution
The fourth proportional to 361,329,946.75, 540,822,299.32 and 195,102,370.99 is: 292,020,392.53
Step by Step Solution
- Step 1: Write the proportion equation
361,329,946.75 : 540,822,299.32 = 195,102,370.99 : x - Step 2: Convert to fraction form
361,329,946.75/540,822,299.32 = 195,102,370.99/x - Step 3: Cross multiply
361,329,946.75x = 540,822,299.32 × 195,102,370.99 - Step 4: Simplify right side
361,329,946.75x = 105,515,712,881,595,488 - Step 5: Solve for x
x = 105,515,712,881,595,488/361,329,946.75 - Step 6: Final answer
x = 292,020,392.53
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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.