Finding the Fourth Proportional to 1,617,456,125.70, 2,426,184,188.55 and 1,553,966,640.90
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Solution
The fourth proportional to 1,617,456,125.70, 2,426,184,188.55 and 1,553,966,640.90 is: 2,330,949,961.35
Step by Step Solution
- Step 1: Write the proportion equation
1,617,456,125.70 : 2,426,184,188.55 = 1,553,966,640.90 : x - Step 2: Convert to fraction form
1,617,456,125.70/2,426,184,188.55 = 1,553,966,640.90/x - Step 3: Cross multiply
1,617,456,125.70x = 2,426,184,188.55 × 1,553,966,640.90 - Step 4: Simplify right side
1,617,456,125.70x = 3,770,209,293,685,736,448 - Step 5: Solve for x
x = 3,770,209,293,685,736,448/1,617,456,125.70 - Step 6: Final answer
x = 2,330,949,961.35
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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.