Finding the Fourth Proportional to 1,948,624,638.80, 2,922,936,958.20 and 1,535,376,117.20
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Solution
The fourth proportional to 1,948,624,638.80, 2,922,936,958.20 and 1,535,376,117.20 is: 2,303,064,175.80
Step by Step Solution
- Step 1: Write the proportion equation
1,948,624,638.80 : 2,922,936,958.20 = 1,535,376,117.20 : x - Step 2: Convert to fraction form
1,948,624,638.80/2,922,936,958.20 = 1,535,376,117.20/x - Step 3: Cross multiply
1,948,624,638.80x = 2,922,936,958.20 × 1,535,376,117.20 - Step 4: Simplify right side
1,948,624,638.80x = 4,487,807,597,701,494,784 - Step 5: Solve for x
x = 4,487,807,597,701,494,784/1,948,624,638.80 - Step 6: Final answer
x = 2,303,064,175.80
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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.