Finding the Fourth Proportional to 425,187,737.53, 586,759,072.92 and 229,617,449.53
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Solution
The fourth proportional to 425,187,737.53, 586,759,072.92 and 229,617,449.53 is: 316,872,077.72
Step by Step Solution
- Step 1: Write the proportion equation
425,187,737.53 : 586,759,072.92 = 229,617,449.53 : x - Step 2: Convert to fraction form
425,187,737.53/586,759,072.92 = 229,617,449.53/x - Step 3: Cross multiply
425,187,737.53x = 586,759,072.92 × 229,617,449.53 - Step 4: Simplify right side
425,187,737.53x = 134,730,121,812,477,680 - Step 5: Solve for x
x = 134,730,121,812,477,680/425,187,737.53 - Step 6: Final answer
x = 316,872,077.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.