Finding the Fourth Proportional to 2,417,669,702.40, 3,624,712,963.20 and 1,639,372,972.80
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Solution
The fourth proportional to 2,417,669,702.40, 3,624,712,963.20 and 1,639,372,972.80 is: 2,457,844,617.95
Step by Step Solution
- Step 1: Write the proportion equation
2,417,669,702.40 : 3,624,712,963.20 = 1,639,372,972.80 : x - Step 2: Convert to fraction form
2,417,669,702.40/3,624,712,963.20 = 1,639,372,972.80/x - Step 3: Cross multiply
2,417,669,702.40x = 3,624,712,963.20 × 1,639,372,972.80 - Step 4: Simplify right side
2,417,669,702.40x = 5,942,256,466,027,880,448 - Step 5: Solve for x
x = 5,942,256,466,027,880,448/2,417,669,702.40 - Step 6: Final answer
x = 2,457,844,617.95
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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.