Finding the Fourth Proportional to 1,494,318,851.20, 2,241,478,276.80 and 805,571,315.20
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Solution
The fourth proportional to 1,494,318,851.20, 2,241,478,276.80 and 805,571,315.20 is: 1,208,356,972.80
Step by Step Solution
- Step 1: Write the proportion equation
1,494,318,851.20 : 2,241,478,276.80 = 805,571,315.20 : x - Step 2: Convert to fraction form
1,494,318,851.20/2,241,478,276.80 = 805,571,315.20/x - Step 3: Cross multiply
1,494,318,851.20x = 2,241,478,276.80 × 805,571,315.20 - Step 4: Simplify right side
1,494,318,851.20x = 1,805,670,603,434,006,016 - Step 5: Solve for x
x = 1,805,670,603,434,006,016/1,494,318,851.20 - Step 6: Final answer
x = 1,208,356,972.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.