Finding the Fourth Proportional to 384,038,792.06, 529,974,851.96 and 207,826,740.68
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Solution
The fourth proportional to 384,038,792.06, 529,974,851.96 and 207,826,740.68 is: 286,801,615.88
Step by Step Solution
- Step 1: Write the proportion equation
384,038,792.06 : 529,974,851.96 = 207,826,740.68 : x - Step 2: Convert to fraction form
384,038,792.06/529,974,851.96 = 207,826,740.68/x - Step 3: Cross multiply
384,038,792.06x = 529,974,851.96 × 207,826,740.68 - Step 4: Simplify right side
384,038,792.06x = 110,142,946,123,082,000 - Step 5: Solve for x
x = 110,142,946,123,082,000/384,038,792.06 - Step 6: Final answer
x = 286,801,615.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.