Finding the Fourth Proportional to 8,569,691,925.20, 11,825,103,984.56 and 4,758,696,719.92
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Solution
The fourth proportional to 8,569,691,925.20, 11,825,103,984.56 and 4,758,696,719.92 is: 6,566,406,824.80
Step by Step Solution
- Step 1: Write the proportion equation
8,569,691,925.20 : 11,825,103,984.56 = 4,758,696,719.92 : x - Step 2: Convert to fraction form
8,569,691,925.20/11,825,103,984.56 = 4,758,696,719.92/x - Step 3: Cross multiply
8,569,691,925.20x = 11,825,103,984.56 × 4,758,696,719.92 - Step 4: Simplify right side
8,569,691,925.20x = 56,272,083,544,038,596,608 - Step 5: Solve for x
x = 56,272,083,544,038,596,608/8,569,691,925.20 - Step 6: Final answer
x = 6,566,406,824.80
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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.