Finding the Fourth Proportional to 499,243,564.80, 748,865,347.20 and 484,894,657.80
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Solution
The fourth proportional to 499,243,564.80, 748,865,347.20 and 484,894,657.80 is: 727,341,986.70
Step by Step Solution
- Step 1: Write the proportion equation
499,243,564.80 : 748,865,347.20 = 484,894,657.80 : x - Step 2: Convert to fraction form
499,243,564.80/748,865,347.20 = 484,894,657.80/x - Step 3: Cross multiply
499,243,564.80x = 748,865,347.20 × 484,894,657.80 - Step 4: Simplify right side
499,243,564.80x = 363,120,806,268,822,208 - Step 5: Solve for x
x = 363,120,806,268,822,208/499,243,564.80 - Step 6: Final answer
x = 727,341,986.70
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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.