Finding the Fourth Proportional to 1,617,282,386.70, 2,425,923,580.05 and 1,553,792,901.90
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Solution
The fourth proportional to 1,617,282,386.70, 2,425,923,580.05 and 1,553,792,901.90 is: 2,330,689,352.85
Step by Step Solution
- Step 1: Write the proportion equation
1,617,282,386.70 : 2,425,923,580.05 = 1,553,792,901.90 : x - Step 2: Convert to fraction form
1,617,282,386.70/2,425,923,580.05 = 1,553,792,901.90/x - Step 3: Cross multiply
1,617,282,386.70x = 2,425,923,580.05 × 1,553,792,901.90 - Step 4: Simplify right side
1,617,282,386.70x = 3,769,382,839,233,526,784 - Step 5: Solve for x
x = 3,769,382,839,233,526,784/1,617,282,386.70 - Step 6: Final answer
x = 2,330,689,352.85
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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.