Finding the Fourth Proportional to 651,457,660.20, 977,186,490.30 and 586,960,405.80
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Solution
The fourth proportional to 651,457,660.20, 977,186,490.30 and 586,960,405.80 is: 880,440,608.70
Step by Step Solution
- Step 1: Write the proportion equation
651,457,660.20 : 977,186,490.30 = 586,960,405.80 : x - Step 2: Convert to fraction form
651,457,660.20/977,186,490.30 = 586,960,405.80/x - Step 3: Cross multiply
651,457,660.20x = 977,186,490.30 × 586,960,405.80 - Step 4: Simplify right side
651,457,660.20x = 573,569,778,888,765,696 - Step 5: Solve for x
x = 573,569,778,888,765,696/651,457,660.20 - Step 6: Final answer
x = 880,440,608.70
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1.5x scale
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.