Finding the Fourth Proportional to 1,679,624,187.70, 2,519,436,281.55 and 1,557,180,181.30
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Solution
The fourth proportional to 1,679,624,187.70, 2,519,436,281.55 and 1,557,180,181.30 is: 2,335,770,271.95
Step by Step Solution
- Step 1: Write the proportion equation
1,679,624,187.70 : 2,519,436,281.55 = 1,557,180,181.30 : x - Step 2: Convert to fraction form
1,679,624,187.70/2,519,436,281.55 = 1,557,180,181.30/x - Step 3: Cross multiply
1,679,624,187.70x = 2,519,436,281.55 × 1,557,180,181.30 - Step 4: Simplify right side
1,679,624,187.70x = 3,923,216,245,677,827,072 - Step 5: Solve for x
x = 3,923,216,245,677,827,072/1,679,624,187.70 - Step 6: Final answer
x = 2,335,770,271.95
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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.