Finding the Fourth Proportional to 1,545,874,616.80, 2,318,811,925.20 and 1,056,098,591.20
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Solution
The fourth proportional to 1,545,874,616.80, 2,318,811,925.20 and 1,056,098,591.20 is: 1,584,147,886.80
Step by Step Solution
- Step 1: Write the proportion equation
1,545,874,616.80 : 2,318,811,925.20 = 1,056,098,591.20 : x - Step 2: Convert to fraction form
1,545,874,616.80/2,318,811,925.20 = 1,056,098,591.20/x - Step 3: Cross multiply
1,545,874,616.80x = 2,318,811,925.20 × 1,056,098,591.20 - Step 4: Simplify right side
1,545,874,616.80x = 2,448,894,007,461,479,936 - Step 5: Solve for x
x = 2,448,894,007,461,479,936/1,545,874,616.80 - Step 6: Final answer
x = 1,584,147,886.80
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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.