Finding the Fourth Proportional to 3,911,370,939.54, 5,869,671,756.99 and 1,670,941,838.49
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Solution
The fourth proportional to 3,911,370,939.54, 5,869,671,756.99 and 1,670,941,838.49 is: 2,507,530,037.05
Step by Step Solution
- Step 1: Write the proportion equation
3,911,370,939.54 : 5,869,671,756.99 = 1,670,941,838.49 : x - Step 2: Convert to fraction form
3,911,370,939.54/5,869,671,756.99 = 1,670,941,838.49/x - Step 3: Cross multiply
3,911,370,939.54x = 5,869,671,756.99 × 1,670,941,838.49 - Step 4: Simplify right side
3,911,370,939.54x = 9,807,880,116,957,698,048 - Step 5: Solve for x
x = 9,807,880,116,957,698,048/3,911,370,939.54 - Step 6: Final answer
x = 2,507,530,037.05
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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.