Finding the Fourth Proportional to 540,281,614.47, 745,506,176.48 and 305,246,517.87
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Solution
The fourth proportional to 540,281,614.47, 745,506,176.48 and 305,246,517.87 is: 421,193,611.49
Step by Step Solution
- Step 1: Write the proportion equation
540,281,614.47 : 745,506,176.48 = 305,246,517.87 : x - Step 2: Convert to fraction form
540,281,614.47/745,506,176.48 = 305,246,517.87/x - Step 3: Cross multiply
540,281,614.47x = 745,506,176.48 × 305,246,517.87 - Step 4: Simplify right side
540,281,614.47x = 227,563,164,419,571,456 - Step 5: Solve for x
x = 227,563,164,419,571,456/540,281,614.47 - Step 6: Final answer
x = 421,193,611.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.