Finding the Fourth Proportional to 1,879,866,942.53, 2,819,894,076.18 and 715,425,681.70
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Solution
The fourth proportional to 1,879,866,942.53, 2,819,894,076.18 and 715,425,681.70 is: 1,073,174,167.87
Step by Step Solution
- Step 1: Write the proportion equation
1,879,866,942.53 : 2,819,894,076.18 = 715,425,681.70 : x - Step 2: Convert to fraction form
1,879,866,942.53/2,819,894,076.18 = 715,425,681.70/x - Step 3: Cross multiply
1,879,866,942.53x = 2,819,894,076.18 × 715,425,681.70 - Step 4: Simplify right side
1,879,866,942.53x = 2,017,424,641,765,392,896 - Step 5: Solve for x
x = 2,017,424,641,765,392,896/1,879,866,942.53 - Step 6: Final answer
x = 1,073,174,167.87
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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.